391526528

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1249}}^1$

素因数の和:1373

約数の個数: 64

約数和(自身を含む): 816000000

約数和(自身を除く): 424473472

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 79, 124, 128, 158, 248, 316, 496, 632, 992, 1249, 1264, 1984, 2449, 2498, 2528, 3968, 4898, 4996, 5056, 9796, 9992, 10112, 19592, 19984, 38719, 39184, 39968, 77438, 78368, 79936, 98671, 154876, 156736, 159872, 197342, 309752, 313472, 394684, 619504, 789368, 1239008, 1578736, 2478016, 3058801, 3157472, 4956032, 6117602, 6314944, 12235204, 12629888, 24470408, 48940816, 97881632, 195763264, 391526528]

約数ペア:

[(1, 391526528), (2, 195763264), (4, 97881632), (8, 48940816), (16, 24470408), (31, 12629888), (32, 12235204), (62, 6314944), (64, 6117602), (79, 4956032), (124, 3157472), (128, 3058801), (158, 2478016), (248, 1578736), (316, 1239008), (496, 789368), (632, 619504), (992, 394684), (1249, 313472), (1264, 309752), (1984, 197342), (2449, 159872), (2498, 156736), (2528, 154876), (3968, 98671), (4898, 79936), (4996, 78368), (5056, 77438), (9796, 39968), (9992, 39184), (10112, 38719), (19592, 19984)]