397871856

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4691}}^1$

素因数の和:4755

約数の個数: 120

約数和(自身を含む): 1210160640

約数和(自身を除く): 812288784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 31, 36, 38, 48, 57, 62, 72, 76, 93, 114, 124, 144, 152, 171, 186, 228, 248, 279, 304, 342, 372, 456, 496, 558, 589, 684, 744, 912, 1116, 1178, 1368, 1488, 1767, 2232, 2356, 2736, 3534, 4464, 4691, 4712, 5301, 7068, 9382, 9424, 10602, 14073, 14136, 18764, 21204, 28146, 28272, 37528, 42219, 42408, 56292, 75056, 84438, 84816, 89129, 112584, 145421, 168876, 178258, 225168, 267387, 290842, 337752, 356516, 436263, 534774, 581684, 675504, 713032, 802161, 872526, 1069548, 1163368, 1308789, 1426064, 1604322, 1745052, 2139096, 2326736, 2617578, 2762999, 3208644, 3490104, 4278192, 5235156, 5525998, 6417288, 6980208, 8288997, 10470312, 11051996, 12834576, 16577994, 20940624, 22103992, 24866991, 33155988, 44207984, 49733982, 66311976, 99467964, 132623952, 198935928, 397871856]

約数ペア:

[(1, 397871856), (2, 198935928), (3, 132623952), (4, 99467964), (6, 66311976), (8, 49733982), (9, 44207984), (12, 33155988), (16, 24866991), (18, 22103992), (19, 20940624), (24, 16577994), (31, 12834576), (36, 11051996), (38, 10470312), (48, 8288997), (57, 6980208), (62, 6417288), (72, 5525998), (76, 5235156), (93, 4278192), (114, 3490104), (124, 3208644), (144, 2762999), (152, 2617578), (171, 2326736), (186, 2139096), (228, 1745052), (248, 1604322), (279, 1426064), (304, 1308789), (342, 1163368), (372, 1069548), (456, 872526), (496, 802161), (558, 713032), (589, 675504), (684, 581684), (744, 534774), (912, 436263), (1116, 356516), (1178, 337752), (1368, 290842), (1488, 267387), (1767, 225168), (2232, 178258), (2356, 168876), (2736, 145421), (3534, 112584), (4464, 89129), (4691, 84816), (4712, 84438), (5301, 75056), (7068, 56292), (9382, 42408), (9424, 42219), (10602, 37528), (14073, 28272), (14136, 28146), (18764, 21204)]