78698672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^2$

素因数の和:238

約数の個数: 60

約数和(自身を含む): 168832944

約数和(自身を除く): 90134272

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 73, 104, 142, 146, 208, 284, 292, 568, 584, 923, 949, 1136, 1168, 1846, 1898, 3692, 3796, 5183, 5329, 7384, 7592, 10366, 10658, 14768, 15184, 20732, 21316, 41464, 42632, 67379, 69277, 82928, 85264, 134758, 138554, 269516, 277108, 378359, 539032, 554216, 756718, 1078064, 1108432, 1513436, 3026872, 4918667, 6053744, 9837334, 19674668, 39349336, 78698672]

約数ペア:

[(1, 78698672), (2, 39349336), (4, 19674668), (8, 9837334), (13, 6053744), (16, 4918667), (26, 3026872), (52, 1513436), (71, 1108432), (73, 1078064), (104, 756718), (142, 554216), (146, 539032), (208, 378359), (284, 277108), (292, 269516), (568, 138554), (584, 134758), (923, 85264), (949, 82928), (1136, 69277), (1168, 67379), (1846, 42632), (1898, 41464), (3692, 21316), (3796, 20732), (5183, 15184), (5329, 14768), (7384, 10658), (7592, 10366)]