1221343396

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1\times {\mathrm{1297}}^1$

素因数の和:1533

約数の個数: 72

約数和(自身を含む): 2660380800

約数和(自身を除く): 1439037404

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 199, 338, 364, 398, 676, 796, 1183, 1297, 1393, 2366, 2587, 2594, 2786, 4732, 5174, 5188, 5572, 9079, 10348, 16861, 18109, 18158, 33631, 33722, 36218, 36316, 67262, 67444, 72436, 118027, 134524, 219193, 235417, 236054, 258103, 438386, 470834, 472108, 516206, 876772, 941668, 1032412, 1534351, 1806721, 3068702, 3355339, 3613442, 6137404, 6710678, 7226884, 13421356, 23487373, 43619407, 46974746, 87238814, 93949492, 174477628, 305335849, 610671698, 1221343396]

約数ペア:

[(1, 1221343396), (2, 610671698), (4, 305335849), (7, 174477628), (13, 93949492), (14, 87238814), (26, 46974746), (28, 43619407), (52, 23487373), (91, 13421356), (169, 7226884), (182, 6710678), (199, 6137404), (338, 3613442), (364, 3355339), (398, 3068702), (676, 1806721), (796, 1534351), (1183, 1032412), (1297, 941668), (1393, 876772), (2366, 516206), (2587, 472108), (2594, 470834), (2786, 438386), (4732, 258103), (5174, 236054), (5188, 235417), (5572, 219193), (9079, 134524), (10348, 118027), (16861, 72436), (18109, 67444), (18158, 67262), (33631, 36316), (33722, 36218)]