664692574

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{317}}^1$

素因数の和:661

約数の個数: 64

約数和(自身を含む): 1265507712

約数和(自身を除く): 600815138

約数列:

[1, 2, 7, 13, 14, 26, 41, 82, 91, 182, 281, 287, 317, 533, 562, 574, 634, 1066, 1967, 2219, 3653, 3731, 3934, 4121, 4438, 7306, 7462, 8242, 11521, 12997, 23042, 25571, 25994, 28847, 51142, 57694, 80647, 89077, 90979, 149773, 161294, 168961, 178154, 181958, 299546, 337922, 623539, 1048411, 1158001, 1182727, 1247078, 2096822, 2316002, 2365454, 3652157, 7304314, 8106007, 16212014, 25565099, 47478041, 51130198, 94956082, 332346287, 664692574]

約数ペア:

[(1, 664692574), (2, 332346287), (7, 94956082), (13, 51130198), (14, 47478041), (26, 25565099), (41, 16212014), (82, 8106007), (91, 7304314), (182, 3652157), (281, 2365454), (287, 2316002), (317, 2096822), (533, 1247078), (562, 1182727), (574, 1158001), (634, 1048411), (1066, 623539), (1967, 337922), (2219, 299546), (3653, 181958), (3731, 178154), (3934, 168961), (4121, 161294), (4438, 149773), (7306, 90979), (7462, 89077), (8242, 80647), (11521, 57694), (12997, 51142), (23042, 28847), (25571, 25994)]