625003648

素因数分解:

$2^7\times {\mathrm{31}}^2\times {\mathrm{5081}}^1$

素因数の和:5157

約数の個数: 48

約数和(自身を含む): 1286838630

約数和(自身を除く): 661834982

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 961, 992, 1922, 1984, 3844, 3968, 5081, 7688, 10162, 15376, 20324, 30752, 40648, 61504, 81296, 123008, 157511, 162592, 315022, 325184, 630044, 650368, 1260088, 2520176, 4882841, 5040352, 9765682, 10080704, 19531364, 20161408, 39062728, 78125456, 156250912, 312501824, 625003648]

約数ペア:

[(1, 625003648), (2, 312501824), (4, 156250912), (8, 78125456), (16, 39062728), (31, 20161408), (32, 19531364), (62, 10080704), (64, 9765682), (124, 5040352), (128, 4882841), (248, 2520176), (496, 1260088), (961, 650368), (992, 630044), (1922, 325184), (1984, 315022), (3844, 162592), (3968, 157511), (5081, 123008), (7688, 81296), (10162, 61504), (15376, 40648), (20324, 30752)]