90902578

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2141}}^1$

素因数の和:2250

約数の個数: 32

約数和(自身を含む): 155457792

約数和(自身を除く): 64555214

約数列:

[1, 2, 13, 23, 26, 46, 71, 142, 299, 598, 923, 1633, 1846, 2141, 3266, 4282, 21229, 27833, 42458, 49243, 55666, 98486, 152011, 304022, 640159, 1280318, 1976143, 3496253, 3952286, 6992506, 45451289, 90902578]

約数ペア:

[(1, 90902578), (2, 45451289), (13, 6992506), (23, 3952286), (26, 3496253), (46, 1976143), (71, 1280318), (142, 640159), (299, 304022), (598, 152011), (923, 98486), (1633, 55666), (1846, 49243), (2141, 42458), (3266, 27833), (4282, 21229)]