138142458

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{181}}^1\times {\mathrm{389}}^1$

素因数の和:687

約数の個数: 48

約数和(自身を含む): 304504200

約数和(自身を除く): 166361742

約数列:

[1, 2, 3, 6, 9, 18, 109, 181, 218, 327, 362, 389, 543, 654, 778, 981, 1086, 1167, 1629, 1962, 2334, 3258, 3501, 7002, 19729, 39458, 42401, 59187, 70409, 84802, 118374, 127203, 140818, 177561, 211227, 254406, 355122, 381609, 422454, 633681, 763218, 1267362, 7674581, 15349162, 23023743, 46047486, 69071229, 138142458]

約数ペア:

[(1, 138142458), (2, 69071229), (3, 46047486), (6, 23023743), (9, 15349162), (18, 7674581), (109, 1267362), (181, 763218), (218, 633681), (327, 422454), (362, 381609), (389, 355122), (543, 254406), (654, 211227), (778, 177561), (981, 140818), (1086, 127203), (1167, 118374), (1629, 84802), (1962, 70409), (2334, 59187), (3258, 42401), (3501, 39458), (7002, 19729)]