388781637

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 539735040

約数和(自身を除く): 150953403

約数列:

[1, 3, 67, 89, 103, 201, 211, 267, 309, 633, 5963, 6901, 9167, 14137, 17889, 18779, 20703, 21733, 27501, 42411, 56337, 65199, 614189, 1258193, 1456111, 1842567, 1934237, 3774579, 4368333, 5802711, 129593879, 388781637]

約数ペア:

[(1, 388781637), (3, 129593879), (67, 5802711), (89, 4368333), (103, 3774579), (201, 1934237), (211, 1842567), (267, 1456111), (309, 1258193), (633, 614189), (5963, 65199), (6901, 56337), (9167, 42411), (14137, 27501), (17889, 21733), (18779, 20703)]