1890512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:231

約数の個数: 40

約数和(自身を含む): 4036200

約数和(自身を除く): 2145688

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 149, 208, 244, 298, 488, 596, 793, 976, 1192, 1586, 1937, 2384, 3172, 3874, 6344, 7748, 9089, 12688, 15496, 18178, 30992, 36356, 72712, 118157, 145424, 236314, 472628, 945256, 1890512]

約数ペア:

[(1, 1890512), (2, 945256), (4, 472628), (8, 236314), (13, 145424), (16, 118157), (26, 72712), (52, 36356), (61, 30992), (104, 18178), (122, 15496), (149, 12688), (208, 9089), (244, 7748), (298, 6344), (488, 3874), (596, 3172), (793, 2384), (976, 1937), (1192, 1586)]