40157908

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 84639744

約数和(自身を除く): 44481836

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 127, 161, 254, 322, 491, 508, 644, 889, 982, 1778, 1964, 2921, 3437, 3556, 5842, 6874, 11293, 11684, 13748, 20447, 22586, 40894, 45172, 62357, 79051, 81788, 124714, 158102, 249428, 316204, 436499, 872998, 1434211, 1745996, 2868422, 5736844, 10039477, 20078954, 40157908]

約数ペア:

[(1, 40157908), (2, 20078954), (4, 10039477), (7, 5736844), (14, 2868422), (23, 1745996), (28, 1434211), (46, 872998), (92, 436499), (127, 316204), (161, 249428), (254, 158102), (322, 124714), (491, 81788), (508, 79051), (644, 62357), (889, 45172), (982, 40894), (1778, 22586), (1964, 20447), (2921, 13748), (3437, 11684), (3556, 11293), (5842, 6874)]