31387506

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:423

約数の個数: 48

約数和(自身を含む): 67994784

約数和(自身を除く): 36607278

約数列:

[1, 2, 3, 6, 19, 38, 43, 57, 86, 114, 129, 258, 337, 361, 674, 722, 817, 1011, 1083, 1634, 2022, 2166, 2451, 4902, 6403, 12806, 14491, 15523, 19209, 28982, 31046, 38418, 43473, 46569, 86946, 93138, 121657, 243314, 275329, 364971, 550658, 729942, 825987, 1651974, 5231251, 10462502, 15693753, 31387506]

約数ペア:

[(1, 31387506), (2, 15693753), (3, 10462502), (6, 5231251), (19, 1651974), (38, 825987), (43, 729942), (57, 550658), (86, 364971), (114, 275329), (129, 243314), (258, 121657), (337, 93138), (361, 86946), (674, 46569), (722, 43473), (817, 38418), (1011, 31046), (1083, 28982), (1634, 19209), (2022, 15523), (2166, 14491), (2451, 12806), (4902, 6403)]