12696788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 25683840

約数和(自身を除く): 12987052

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 71, 76, 142, 181, 247, 284, 362, 494, 724, 923, 988, 1349, 1846, 2353, 2698, 3439, 3692, 4706, 5396, 6878, 9412, 12851, 13756, 17537, 25702, 35074, 44707, 51404, 70148, 89414, 167063, 178828, 244169, 334126, 488338, 668252, 976676, 3174197, 6348394, 12696788]

約数ペア:

[(1, 12696788), (2, 6348394), (4, 3174197), (13, 976676), (19, 668252), (26, 488338), (38, 334126), (52, 244169), (71, 178828), (76, 167063), (142, 89414), (181, 70148), (247, 51404), (284, 44707), (362, 35074), (494, 25702), (724, 17537), (923, 13756), (988, 12851), (1349, 9412), (1846, 6878), (2353, 5396), (2698, 4706), (3439, 3692)]