78290816

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 163412160

約数和(自身を除く): 85121344

約数列:

[1, 2, 4, 8, 16, 32, 37, 61, 64, 74, 122, 128, 148, 244, 271, 296, 488, 542, 592, 976, 1084, 1184, 1952, 2168, 2257, 2368, 3904, 4336, 4514, 4736, 7808, 8672, 9028, 10027, 16531, 17344, 18056, 20054, 33062, 34688, 36112, 40108, 66124, 72224, 80216, 132248, 144448, 160432, 264496, 288896, 320864, 528992, 611647, 641728, 1057984, 1223294, 1283456, 2115968, 2446588, 4893176, 9786352, 19572704, 39145408, 78290816]

約数ペア:

[(1, 78290816), (2, 39145408), (4, 19572704), (8, 9786352), (16, 4893176), (32, 2446588), (37, 2115968), (61, 1283456), (64, 1223294), (74, 1057984), (122, 641728), (128, 611647), (148, 528992), (244, 320864), (271, 288896), (296, 264496), (488, 160432), (542, 144448), (592, 132248), (976, 80216), (1084, 72224), (1184, 66124), (1952, 40108), (2168, 36112), (2257, 34688), (2368, 33062), (3904, 20054), (4336, 18056), (4514, 17344), (4736, 16531), (7808, 10027), (8672, 9028)]