388459448

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:856

約数の個数: 64

約数和(自身を含む): 811980960

約数和(自身を除く): 423521512

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 157, 296, 314, 481, 628, 643, 962, 1256, 1286, 1924, 2041, 2572, 3848, 4082, 5144, 5809, 8164, 8359, 11618, 16328, 16718, 23236, 23791, 33436, 46472, 47582, 66872, 75517, 95164, 100951, 151034, 190328, 201902, 302068, 309283, 403804, 604136, 618566, 807608, 1237132, 1312363, 2474264, 2624726, 3735187, 5249452, 7470374, 10498904, 14940748, 29881496, 48557431, 97114862, 194229724, 388459448]

約数ペア:

[(1, 388459448), (2, 194229724), (4, 97114862), (8, 48557431), (13, 29881496), (26, 14940748), (37, 10498904), (52, 7470374), (74, 5249452), (104, 3735187), (148, 2624726), (157, 2474264), (296, 1312363), (314, 1237132), (481, 807608), (628, 618566), (643, 604136), (962, 403804), (1256, 309283), (1286, 302068), (1924, 201902), (2041, 190328), (2572, 151034), (3848, 100951), (4082, 95164), (5144, 75517), (5809, 66872), (8164, 47582), (8359, 46472), (11618, 33436), (16328, 23791), (16718, 23236)]