639341796

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{12743}}^1$

素因数の和:12900

約数の個数: 48

約数和(自身を含む): 1545796224

約数和(自身を除く): 906454428

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 113, 148, 222, 226, 339, 444, 452, 678, 1356, 4181, 8362, 12543, 12743, 16724, 25086, 25486, 38229, 50172, 50972, 76458, 152916, 471491, 942982, 1414473, 1439959, 1885964, 2828946, 2879918, 4319877, 5657892, 5759836, 8639754, 17279508, 53278483, 106556966, 159835449, 213113932, 319670898, 639341796]

約数ペア:

[(1, 639341796), (2, 319670898), (3, 213113932), (4, 159835449), (6, 106556966), (12, 53278483), (37, 17279508), (74, 8639754), (111, 5759836), (113, 5657892), (148, 4319877), (222, 2879918), (226, 2828946), (339, 1885964), (444, 1439959), (452, 1414473), (678, 942982), (1356, 471491), (4181, 152916), (8362, 76458), (12543, 50972), (12743, 50172), (16724, 38229), (25086, 25486)]