638860284

素因数分解:

$2^2\times 3^4\times {\mathrm{47}}^1\times {\mathrm{41953}}^1$

素因数の和:42016

約数の個数: 60

約数和(自身を含む): 1705681824

約数和(自身を除く): 1066821540

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 47, 54, 81, 94, 108, 141, 162, 188, 282, 324, 423, 564, 846, 1269, 1692, 2538, 3807, 5076, 7614, 15228, 41953, 83906, 125859, 167812, 251718, 377577, 503436, 755154, 1132731, 1510308, 1971791, 2265462, 3398193, 3943582, 4530924, 5915373, 6796386, 7887164, 11830746, 13592772, 17746119, 23661492, 35492238, 53238357, 70984476, 106476714, 159715071, 212953428, 319430142, 638860284]

約数ペア:

[(1, 638860284), (2, 319430142), (3, 212953428), (4, 159715071), (6, 106476714), (9, 70984476), (12, 53238357), (18, 35492238), (27, 23661492), (36, 17746119), (47, 13592772), (54, 11830746), (81, 7887164), (94, 6796386), (108, 5915373), (141, 4530924), (162, 3943582), (188, 3398193), (282, 2265462), (324, 1971791), (423, 1510308), (564, 1132731), (846, 755154), (1269, 503436), (1692, 377577), (2538, 251718), (3807, 167812), (5076, 125859), (7614, 83906), (15228, 41953)]