641569504

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{2309}}^1$

素因数の和:2795

約数の個数: 48

約数和(自身を含む): 1333054800

約数和(自身を除く): 691485296

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 457, 608, 914, 1828, 2309, 3656, 4618, 7312, 8683, 9236, 14624, 17366, 18472, 34732, 36944, 43871, 69464, 73888, 87742, 138928, 175484, 277856, 350968, 701936, 1055213, 1403872, 2110426, 4220852, 8441704, 16883408, 20049047, 33766816, 40098094, 80196188, 160392376, 320784752, 641569504]

約数ペア:

[(1, 641569504), (2, 320784752), (4, 160392376), (8, 80196188), (16, 40098094), (19, 33766816), (32, 20049047), (38, 16883408), (76, 8441704), (152, 4220852), (304, 2110426), (457, 1403872), (608, 1055213), (914, 701936), (1828, 350968), (2309, 277856), (3656, 175484), (4618, 138928), (7312, 87742), (8683, 73888), (9236, 69464), (14624, 43871), (17366, 36944), (18472, 34732)]