1561499688

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{13451}}^1$

素因数の和:14158

約数の個数: 64

約数和(自身を含む): 4468216320

約数和(自身を除く): 2906716632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 691, 1382, 2073, 2764, 4146, 4837, 5528, 8292, 9674, 13451, 14511, 16584, 19348, 26902, 29022, 38696, 40353, 53804, 58044, 80706, 94157, 107608, 116088, 161412, 188314, 282471, 322824, 376628, 564942, 753256, 1129884, 2259768, 9294641, 18589282, 27883923, 37178564, 55767846, 65062487, 74357128, 111535692, 130124974, 195187461, 223071384, 260249948, 390374922, 520499896, 780749844, 1561499688]

約数ペア:

[(1, 1561499688), (2, 780749844), (3, 520499896), (4, 390374922), (6, 260249948), (7, 223071384), (8, 195187461), (12, 130124974), (14, 111535692), (21, 74357128), (24, 65062487), (28, 55767846), (42, 37178564), (56, 27883923), (84, 18589282), (168, 9294641), (691, 2259768), (1382, 1129884), (2073, 753256), (2764, 564942), (4146, 376628), (4837, 322824), (5528, 282471), (8292, 188314), (9674, 161412), (13451, 116088), (14511, 107608), (16584, 94157), (19348, 80706), (26902, 58044), (29022, 53804), (38696, 40353)]