2985673984

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{19801}}^1$

素因数の和:19867

約数の個数: 72

約数和(自身を含む): 6476046080

約数和(自身を除く): 3490372096

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 256, 304, 496, 589, 608, 992, 1178, 1216, 1984, 2356, 2432, 3968, 4712, 4864, 7936, 9424, 18848, 19801, 37696, 39602, 75392, 79204, 150784, 158408, 316816, 376219, 613831, 633632, 752438, 1227662, 1267264, 1504876, 2455324, 2534528, 3009752, 4910648, 5069056, 6019504, 9821296, 11662789, 12039008, 19642592, 23325578, 24078016, 39285184, 46651156, 48156032, 78570368, 93302312, 96312064, 157140736, 186604624, 373209248, 746418496, 1492836992, 2985673984]

約数ペア:

[(1, 2985673984), (2, 1492836992), (4, 746418496), (8, 373209248), (16, 186604624), (19, 157140736), (31, 96312064), (32, 93302312), (38, 78570368), (62, 48156032), (64, 46651156), (76, 39285184), (124, 24078016), (128, 23325578), (152, 19642592), (248, 12039008), (256, 11662789), (304, 9821296), (496, 6019504), (589, 5069056), (608, 4910648), (992, 3009752), (1178, 2534528), (1216, 2455324), (1984, 1504876), (2356, 1267264), (2432, 1227662), (3968, 752438), (4712, 633632), (4864, 613831), (7936, 376219), (9424, 316816), (18848, 158408), (19801, 150784), (37696, 79204), (39602, 75392)]