31378578

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2953}}^1$

素因数の和:2999

約数の個数: 64

約数和(自身を含む): 81672192

約数和(自身を除く): 50293614

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 23, 33, 42, 46, 66, 69, 77, 138, 154, 161, 231, 253, 322, 462, 483, 506, 759, 966, 1518, 1771, 2953, 3542, 5313, 5906, 8859, 10626, 17718, 20671, 32483, 41342, 62013, 64966, 67919, 97449, 124026, 135838, 194898, 203757, 227381, 407514, 454762, 475433, 682143, 747109, 950866, 1364286, 1426299, 1494218, 2241327, 2852598, 4482654, 5229763, 10459526, 15689289, 31378578]

約数ペア:

[(1, 31378578), (2, 15689289), (3, 10459526), (6, 5229763), (7, 4482654), (11, 2852598), (14, 2241327), (21, 1494218), (22, 1426299), (23, 1364286), (33, 950866), (42, 747109), (46, 682143), (66, 475433), (69, 454762), (77, 407514), (138, 227381), (154, 203757), (161, 194898), (231, 135838), (253, 124026), (322, 97449), (462, 67919), (483, 64966), (506, 62013), (759, 41342), (966, 32483), (1518, 20671), (1771, 17718), (2953, 10626), (3542, 8859), (5313, 5906)]