191020908

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:296

約数の個数: 144

約数和(自身を含む): 539141120

約数和(自身を除く): 348120212

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 19, 26, 34, 38, 39, 51, 52, 57, 68, 76, 78, 102, 114, 156, 204, 221, 223, 228, 247, 289, 323, 442, 446, 494, 578, 646, 663, 669, 741, 867, 884, 892, 969, 988, 1156, 1292, 1326, 1338, 1482, 1734, 1938, 2652, 2676, 2899, 2964, 3468, 3757, 3791, 3876, 4199, 4237, 5491, 5798, 7514, 7582, 8398, 8474, 8697, 10982, 11271, 11373, 11596, 12597, 12711, 15028, 15164, 16473, 16796, 16948, 17394, 21964, 22542, 22746, 25194, 25422, 32946, 34788, 45084, 45492, 49283, 50388, 50844, 55081, 64447, 65892, 71383, 72029, 98566, 110162, 128894, 142766, 144058, 147849, 165243, 193341, 197132, 214149, 216087, 220324, 257788, 285532, 288116, 295698, 330486, 386682, 428298, 432174, 591396, 660972, 773364, 837811, 856596, 864348, 936377, 1224493, 1675622, 1872754, 2448986, 2513433, 2809131, 3351244, 3673479, 3745508, 4897972, 5026866, 5618262, 7346958, 10053732, 11236524, 14693916, 15918409, 31836818, 47755227, 63673636, 95510454, 191020908]

約数ペア:

[(1, 191020908), (2, 95510454), (3, 63673636), (4, 47755227), (6, 31836818), (12, 15918409), (13, 14693916), (17, 11236524), (19, 10053732), (26, 7346958), (34, 5618262), (38, 5026866), (39, 4897972), (51, 3745508), (52, 3673479), (57, 3351244), (68, 2809131), (76, 2513433), (78, 2448986), (102, 1872754), (114, 1675622), (156, 1224493), (204, 936377), (221, 864348), (223, 856596), (228, 837811), (247, 773364), (289, 660972), (323, 591396), (442, 432174), (446, 428298), (494, 386682), (578, 330486), (646, 295698), (663, 288116), (669, 285532), (741, 257788), (867, 220324), (884, 216087), (892, 214149), (969, 197132), (988, 193341), (1156, 165243), (1292, 147849), (1326, 144058), (1338, 142766), (1482, 128894), (1734, 110162), (1938, 98566), (2652, 72029), (2676, 71383), (2899, 65892), (2964, 64447), (3468, 55081), (3757, 50844), (3791, 50388), (3876, 49283), (4199, 45492), (4237, 45084), (5491, 34788), (5798, 32946), (7514, 25422), (7582, 25194), (8398, 22746), (8474, 22542), (8697, 21964), (10982, 17394), (11271, 16948), (11373, 16796), (11596, 16473), (12597, 15164), (12711, 15028)]