218875428

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{277}}^1\times {\mathrm{467}}^1$

素因数の和:801

約数の個数: 72

約数和(自身を含む): 568294272

約数和(自身を除く): 349418844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 277, 282, 423, 467, 554, 564, 831, 846, 934, 1108, 1401, 1662, 1692, 1868, 2493, 2802, 3324, 4203, 4986, 5604, 8406, 9972, 13019, 16812, 21949, 26038, 39057, 43898, 52076, 65847, 78114, 87796, 117171, 129359, 131694, 156228, 197541, 234342, 258718, 263388, 388077, 395082, 468684, 517436, 776154, 790164, 1164231, 1552308, 2328462, 4656924, 6079873, 12159746, 18239619, 24319492, 36479238, 54718857, 72958476, 109437714, 218875428]

約数ペア:

[(1, 218875428), (2, 109437714), (3, 72958476), (4, 54718857), (6, 36479238), (9, 24319492), (12, 18239619), (18, 12159746), (36, 6079873), (47, 4656924), (94, 2328462), (141, 1552308), (188, 1164231), (277, 790164), (282, 776154), (423, 517436), (467, 468684), (554, 395082), (564, 388077), (831, 263388), (846, 258718), (934, 234342), (1108, 197541), (1401, 156228), (1662, 131694), (1692, 129359), (1868, 117171), (2493, 87796), (2802, 78114), (3324, 65847), (4203, 52076), (4986, 43898), (5604, 39057), (8406, 26038), (9972, 21949), (13019, 16812)]