8971590388

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1\times {\mathrm{991}}^1$

素因数の和:1444

約数の個数: 48

約数和(自身を含む): 16126967808

約数和(自身を除く): 7155377420

約数列:

[1, 2, 4, 71, 127, 142, 251, 254, 284, 502, 508, 991, 1004, 1982, 3964, 9017, 17821, 18034, 31877, 35642, 36068, 63754, 70361, 71284, 125857, 127508, 140722, 248741, 251714, 281444, 497482, 503428, 994964, 2263267, 4526534, 8935847, 9053068, 17660611, 17871694, 31590107, 35321222, 35743388, 63180214, 70642444, 126360428, 2242897597, 4485795194, 8971590388]

約数ペア:

[(1, 8971590388), (2, 4485795194), (4, 2242897597), (71, 126360428), (127, 70642444), (142, 63180214), (251, 35743388), (254, 35321222), (284, 31590107), (502, 17871694), (508, 17660611), (991, 9053068), (1004, 8935847), (1982, 4526534), (3964, 2263267), (9017, 994964), (17821, 503428), (18034, 497482), (31877, 281444), (35642, 251714), (36068, 248741), (63754, 140722), (70361, 127508), (71284, 125857)]