1389328488

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^2$

素因数の和:424

約数の個数: 144

約数和(自身を含む): 4111286400

約数和(自身を除く): 2721957912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 31, 36, 38, 57, 62, 72, 76, 93, 114, 124, 152, 171, 181, 186, 228, 248, 279, 342, 362, 372, 456, 543, 558, 589, 684, 724, 744, 1086, 1116, 1178, 1368, 1448, 1629, 1767, 2172, 2232, 2356, 3258, 3439, 3534, 4344, 4712, 5301, 5611, 6516, 6878, 7068, 10317, 10602, 11222, 13032, 13756, 14136, 16833, 20634, 21204, 22444, 27512, 30951, 32761, 33666, 41268, 42408, 44888, 50499, 61902, 65522, 67332, 82536, 98283, 100998, 106609, 123804, 131044, 134664, 196566, 201996, 213218, 247608, 262088, 294849, 319827, 393132, 403992, 426436, 589698, 622459, 639654, 786264, 852872, 959481, 1015591, 1179396, 1244918, 1279308, 1867377, 1918962, 2031182, 2358792, 2489836, 2558616, 3046773, 3734754, 3837924, 4062364, 4979672, 5602131, 6093546, 7469508, 7675848, 8124728, 9140319, 11204262, 12187092, 14939016, 18280638, 19296229, 22408524, 24374184, 36561276, 38592458, 44817048, 57888687, 73122552, 77184916, 115777374, 154369832, 173666061, 231554748, 347332122, 463109496, 694664244, 1389328488]

約数ペア:

[(1, 1389328488), (2, 694664244), (3, 463109496), (4, 347332122), (6, 231554748), (8, 173666061), (9, 154369832), (12, 115777374), (18, 77184916), (19, 73122552), (24, 57888687), (31, 44817048), (36, 38592458), (38, 36561276), (57, 24374184), (62, 22408524), (72, 19296229), (76, 18280638), (93, 14939016), (114, 12187092), (124, 11204262), (152, 9140319), (171, 8124728), (181, 7675848), (186, 7469508), (228, 6093546), (248, 5602131), (279, 4979672), (342, 4062364), (362, 3837924), (372, 3734754), (456, 3046773), (543, 2558616), (558, 2489836), (589, 2358792), (684, 2031182), (724, 1918962), (744, 1867377), (1086, 1279308), (1116, 1244918), (1178, 1179396), (1368, 1015591), (1448, 959481), (1629, 852872), (1767, 786264), (2172, 639654), (2232, 622459), (2356, 589698), (3258, 426436), (3439, 403992), (3534, 393132), (4344, 319827), (4712, 294849), (5301, 262088), (5611, 247608), (6516, 213218), (6878, 201996), (7068, 196566), (10317, 134664), (10602, 131044), (11222, 123804), (13032, 106609), (13756, 100998), (14136, 98283), (16833, 82536), (20634, 67332), (21204, 65522), (22444, 61902), (27512, 50499), (30951, 44888), (32761, 42408), (33666, 41268)]