72731278

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:472

約数の個数: 32

約数和(自身を含む): 118448640

約数和(自身を除く): 45717362

約数列:

[1, 2, 19, 38, 47, 94, 193, 211, 386, 422, 893, 1786, 3667, 4009, 7334, 8018, 9071, 9917, 18142, 19834, 40723, 81446, 172349, 188423, 344698, 376846, 773737, 1547474, 1913981, 3827962, 36365639, 72731278]

約数ペア:

[(1, 72731278), (2, 36365639), (19, 3827962), (38, 1913981), (47, 1547474), (94, 773737), (193, 376846), (211, 344698), (386, 188423), (422, 172349), (893, 81446), (1786, 40723), (3667, 19834), (4009, 18142), (7334, 9917), (8018, 9071)]