256185168

素因数分解:

$2^4\times 3^1\times {\mathrm{811}}^1\times {\mathrm{6581}}^1$

素因数の和:7403

約数の個数: 40

約数和(自身を含む): 662728416

約数和(自身を除く): 406543248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 811, 1622, 2433, 3244, 4866, 6488, 6581, 9732, 12976, 13162, 19464, 19743, 26324, 38928, 39486, 52648, 78972, 105296, 157944, 315888, 5337191, 10674382, 16011573, 21348764, 32023146, 42697528, 64046292, 85395056, 128092584, 256185168]

約数ペア:

[(1, 256185168), (2, 128092584), (3, 85395056), (4, 64046292), (6, 42697528), (8, 32023146), (12, 21348764), (16, 16011573), (24, 10674382), (48, 5337191), (811, 315888), (1622, 157944), (2433, 105296), (3244, 78972), (4866, 52648), (6488, 39486), (6581, 38928), (9732, 26324), (12976, 19743), (13162, 19464)]