257836584

素因数分解:

$2^3\times 3^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1\times {\mathrm{401}}^1$

素因数の和:850

約数の個数: 64

約数和(自身を含む): 656835840

約数和(自身を除く): 398999256

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 73, 146, 219, 292, 367, 401, 438, 584, 734, 802, 876, 1101, 1203, 1468, 1604, 1752, 2202, 2406, 2936, 3208, 4404, 4812, 8808, 9624, 26791, 29273, 53582, 58546, 80373, 87819, 107164, 117092, 147167, 160746, 175638, 214328, 234184, 294334, 321492, 351276, 441501, 588668, 642984, 702552, 883002, 1177336, 1766004, 3532008, 10743191, 21486382, 32229573, 42972764, 64459146, 85945528, 128918292, 257836584]

約数ペア:

[(1, 257836584), (2, 128918292), (3, 85945528), (4, 64459146), (6, 42972764), (8, 32229573), (12, 21486382), (24, 10743191), (73, 3532008), (146, 1766004), (219, 1177336), (292, 883002), (367, 702552), (401, 642984), (438, 588668), (584, 441501), (734, 351276), (802, 321492), (876, 294334), (1101, 234184), (1203, 214328), (1468, 175638), (1604, 160746), (1752, 147167), (2202, 117092), (2406, 107164), (2936, 87819), (3208, 80373), (4404, 58546), (4812, 53582), (8808, 29273), (9624, 26791)]