187997888

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:290

約数の個数: 112

約数和(自身を含む): 428085504

約数和(自身を除く): 240087616

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 37, 52, 62, 64, 74, 104, 124, 148, 197, 208, 248, 296, 394, 403, 416, 481, 496, 592, 788, 806, 832, 962, 992, 1147, 1184, 1576, 1612, 1924, 1984, 2294, 2368, 2561, 3152, 3224, 3848, 4588, 5122, 6107, 6304, 6448, 7289, 7696, 9176, 10244, 12214, 12608, 12896, 14578, 14911, 15392, 18352, 20488, 24428, 25792, 29156, 29822, 30784, 36704, 40976, 48856, 58312, 59644, 73408, 79391, 81952, 94757, 97712, 116624, 119288, 158782, 163904, 189514, 195424, 225959, 233248, 238576, 317564, 379028, 390848, 451918, 466496, 477152, 635128, 758056, 903836, 954304, 1270256, 1516112, 1807672, 2540512, 2937467, 3032224, 3615344, 5081024, 5874934, 6064448, 7230688, 11749868, 14461376, 23499736, 46999472, 93998944, 187997888]

約数ペア:

[(1, 187997888), (2, 93998944), (4, 46999472), (8, 23499736), (13, 14461376), (16, 11749868), (26, 7230688), (31, 6064448), (32, 5874934), (37, 5081024), (52, 3615344), (62, 3032224), (64, 2937467), (74, 2540512), (104, 1807672), (124, 1516112), (148, 1270256), (197, 954304), (208, 903836), (248, 758056), (296, 635128), (394, 477152), (403, 466496), (416, 451918), (481, 390848), (496, 379028), (592, 317564), (788, 238576), (806, 233248), (832, 225959), (962, 195424), (992, 189514), (1147, 163904), (1184, 158782), (1576, 119288), (1612, 116624), (1924, 97712), (1984, 94757), (2294, 81952), (2368, 79391), (2561, 73408), (3152, 59644), (3224, 58312), (3848, 48856), (4588, 40976), (5122, 36704), (6107, 30784), (6304, 29822), (6448, 29156), (7289, 25792), (7696, 24428), (9176, 20488), (10244, 18352), (12214, 15392), (12608, 14911), (12896, 14578)]