49606990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 91523520

約数和(自身を除く): 41916530

約数列:

[1, 2, 5, 10, 71, 109, 142, 218, 355, 545, 641, 710, 1090, 1282, 3205, 6410, 7739, 15478, 38695, 45511, 69869, 77390, 91022, 139738, 227555, 349345, 455110, 698690, 4960699, 9921398, 24803495, 49606990]

約数ペア:

[(1, 49606990), (2, 24803495), (5, 9921398), (10, 4960699), (71, 698690), (109, 455110), (142, 349345), (218, 227555), (355, 139738), (545, 91022), (641, 77390), (710, 69869), (1090, 45511), (1282, 38695), (3205, 15478), (6410, 7739)]