657380038

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:497

約数の個数: 64

約数和(自身を含む): 1222328448

約数和(自身を除く): 564948410

約数列:

[1, 2, 7, 14, 17, 34, 73, 119, 146, 157, 238, 241, 314, 482, 511, 1022, 1099, 1241, 1687, 2198, 2482, 2669, 3374, 4097, 5338, 8194, 8687, 11461, 17374, 17593, 18683, 22922, 28679, 35186, 37366, 37837, 57358, 75674, 80227, 123151, 160454, 194837, 246302, 264859, 299081, 389674, 529718, 598162, 643229, 1286458, 1363859, 2093567, 2727718, 2762101, 4187134, 4502603, 5524202, 9005206, 19334707, 38669414, 46955717, 93911434, 328690019, 657380038]

約数ペア:

[(1, 657380038), (2, 328690019), (7, 93911434), (14, 46955717), (17, 38669414), (34, 19334707), (73, 9005206), (119, 5524202), (146, 4502603), (157, 4187134), (238, 2762101), (241, 2727718), (314, 2093567), (482, 1363859), (511, 1286458), (1022, 643229), (1099, 598162), (1241, 529718), (1687, 389674), (2198, 299081), (2482, 264859), (2669, 246302), (3374, 194837), (4097, 160454), (5338, 123151), (8194, 80227), (8687, 75674), (11461, 57358), (17374, 37837), (17593, 37366), (18683, 35186), (22922, 28679)]