211096990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4153}}^1$

素因数の和:4213

約数の個数: 64

約数和(自身を含む): 452221056

約数和(自身を除く): 241124066

約数列:

[1, 2, 5, 10, 13, 17, 23, 26, 34, 46, 65, 85, 115, 130, 170, 221, 230, 299, 391, 442, 598, 782, 1105, 1495, 1955, 2210, 2990, 3910, 4153, 5083, 8306, 10166, 20765, 25415, 41530, 50830, 53989, 70601, 95519, 107978, 141202, 191038, 269945, 353005, 477595, 539890, 706010, 917813, 955190, 1241747, 1623823, 1835626, 2483494, 3247646, 4589065, 6208735, 8119115, 9178130, 12417470, 16238230, 21109699, 42219398, 105548495, 211096990]

約数ペア:

[(1, 211096990), (2, 105548495), (5, 42219398), (10, 21109699), (13, 16238230), (17, 12417470), (23, 9178130), (26, 8119115), (34, 6208735), (46, 4589065), (65, 3247646), (85, 2483494), (115, 1835626), (130, 1623823), (170, 1241747), (221, 955190), (230, 917813), (299, 706010), (391, 539890), (442, 477595), (598, 353005), (782, 269945), (1105, 191038), (1495, 141202), (1955, 107978), (2210, 95519), (2990, 70601), (3910, 53989), (4153, 50830), (5083, 41530), (8306, 25415), (10166, 20765)]