28957216

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:617

約数の個数: 48

約数和(自身を含む): 60752160

約数和(自身を除く): 31794944

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 97, 152, 194, 304, 388, 491, 608, 776, 982, 1552, 1843, 1964, 3104, 3686, 3928, 7372, 7856, 9329, 14744, 15712, 18658, 29488, 37316, 47627, 58976, 74632, 95254, 149264, 190508, 298528, 381016, 762032, 904913, 1524064, 1809826, 3619652, 7239304, 14478608, 28957216]

約数ペア:

[(1, 28957216), (2, 14478608), (4, 7239304), (8, 3619652), (16, 1809826), (19, 1524064), (32, 904913), (38, 762032), (76, 381016), (97, 298528), (152, 190508), (194, 149264), (304, 95254), (388, 74632), (491, 58976), (608, 47627), (776, 37316), (982, 29488), (1552, 18658), (1843, 15712), (1964, 14744), (3104, 9329), (3686, 7856), (3928, 7372)]