213099890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1\times {\mathrm{1531}}^1$

素因数の和:2018

約数の個数: 32

約数和(自身を含む): 397094400

約数和(自身を除く): 183994510

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 449, 898, 1531, 2245, 3062, 4490, 7655, 13919, 15310, 27838, 47461, 69595, 94922, 139190, 237305, 474610, 687419, 1374838, 3437095, 6874190, 21309989, 42619978, 106549945, 213099890]

約数ペア:

[(1, 213099890), (2, 106549945), (5, 42619978), (10, 21309989), (31, 6874190), (62, 3437095), (155, 1374838), (310, 687419), (449, 474610), (898, 237305), (1531, 139190), (2245, 94922), (3062, 69595), (4490, 47461), (7655, 27838), (13919, 15310)]