211322748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{449}}^1$

素因数の和:907

約数の個数: 96

約数和(自身を含む): 609638400

約数和(自身を除く): 398315652

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 431, 449, 546, 862, 898, 1092, 1293, 1347, 1724, 1796, 2586, 2694, 3017, 3143, 5172, 5388, 5603, 5837, 6034, 6286, 9051, 9429, 11206, 11674, 12068, 12572, 16809, 17511, 18102, 18858, 22412, 23348, 33618, 35022, 36204, 37716, 39221, 40859, 67236, 70044, 78442, 81718, 117663, 122577, 156884, 163436, 193519, 235326, 245154, 387038, 470652, 490308, 580557, 774076, 1161114, 1354633, 2322228, 2515747, 2709266, 4063899, 5031494, 5418532, 7547241, 8127798, 10062988, 15094482, 16255596, 17610229, 30188964, 35220458, 52830687, 70440916, 105661374, 211322748]

約数ペア:

[(1, 211322748), (2, 105661374), (3, 70440916), (4, 52830687), (6, 35220458), (7, 30188964), (12, 17610229), (13, 16255596), (14, 15094482), (21, 10062988), (26, 8127798), (28, 7547241), (39, 5418532), (42, 5031494), (52, 4063899), (78, 2709266), (84, 2515747), (91, 2322228), (156, 1354633), (182, 1161114), (273, 774076), (364, 580557), (431, 490308), (449, 470652), (546, 387038), (862, 245154), (898, 235326), (1092, 193519), (1293, 163436), (1347, 156884), (1724, 122577), (1796, 117663), (2586, 81718), (2694, 78442), (3017, 70044), (3143, 67236), (5172, 40859), (5388, 39221), (5603, 37716), (5837, 36204), (6034, 35022), (6286, 33618), (9051, 23348), (9429, 22412), (11206, 18858), (11674, 18102), (12068, 17511), (12572, 16809)]