16980928

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:221

約数の個数: 56

約数和(自身を含む): 35442144

約数和(自身を除く): 18461216

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 71, 74, 101, 142, 148, 202, 284, 296, 404, 568, 592, 808, 1136, 1184, 1616, 2272, 2368, 2627, 3232, 3737, 4544, 5254, 6464, 7171, 7474, 10508, 14342, 14948, 21016, 28684, 29896, 42032, 57368, 59792, 84064, 114736, 119584, 168128, 229472, 239168, 265327, 458944, 530654, 1061308, 2122616, 4245232, 8490464, 16980928]

約数ペア:

[(1, 16980928), (2, 8490464), (4, 4245232), (8, 2122616), (16, 1061308), (32, 530654), (37, 458944), (64, 265327), (71, 239168), (74, 229472), (101, 168128), (142, 119584), (148, 114736), (202, 84064), (284, 59792), (296, 57368), (404, 42032), (568, 29896), (592, 28684), (808, 21016), (1136, 14948), (1184, 14342), (1616, 10508), (2272, 7474), (2368, 7171), (2627, 6464), (3232, 5254), (3737, 4544)]