381729887

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1213}}^1$

素因数の和:1359

約数の個数: 32

約数和(自身を含む): 491349504

約数和(自身を除く): 109619617

約数列:

[1, 7, 11, 61, 67, 77, 427, 469, 671, 737, 1213, 4087, 4697, 5159, 8491, 13343, 28609, 44957, 73993, 81271, 93401, 314699, 517951, 568897, 813923, 893981, 4957531, 5697461, 6257867, 34702717, 54532841, 381729887]

約数ペア:

[(1, 381729887), (7, 54532841), (11, 34702717), (61, 6257867), (67, 5697461), (77, 4957531), (427, 893981), (469, 813923), (671, 568897), (737, 517951), (1213, 314699), (4087, 93401), (4697, 81271), (5159, 73993), (8491, 44957), (13343, 28609)]