406388164

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{457}}^1$

素因数の和:837

約数の個数: 72

約数和(自身を含む): 895435800

約数和(自身を除く): 489047636

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 349, 364, 457, 637, 698, 914, 1274, 1396, 1828, 2443, 2548, 3199, 4537, 4886, 5941, 6398, 9074, 9772, 11882, 12796, 17101, 18148, 22393, 23764, 31759, 34202, 41587, 44786, 63518, 68404, 83174, 89572, 127036, 159493, 166348, 222313, 291109, 318986, 444626, 582218, 637972, 889252, 1116451, 1164436, 2073409, 2232902, 4146818, 4465804, 7815157, 8293636, 14513863, 15630314, 29027726, 31260628, 58055452, 101597041, 203194082, 406388164]

約数ペア:

[(1, 406388164), (2, 203194082), (4, 101597041), (7, 58055452), (13, 31260628), (14, 29027726), (26, 15630314), (28, 14513863), (49, 8293636), (52, 7815157), (91, 4465804), (98, 4146818), (182, 2232902), (196, 2073409), (349, 1164436), (364, 1116451), (457, 889252), (637, 637972), (698, 582218), (914, 444626), (1274, 318986), (1396, 291109), (1828, 222313), (2443, 166348), (2548, 159493), (3199, 127036), (4537, 89572), (4886, 83174), (5941, 68404), (6398, 63518), (9074, 44786), (9772, 41587), (11882, 34202), (12796, 31759), (17101, 23764), (18148, 22393)]