816999747070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7879}}^1\times {\mathrm{61357}}^1$

素因数の和:69269

約数の個数: 48

約数和(自身を含む): 1592652425760

約数和(自身を除く): 775652678690

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 7879, 15758, 39395, 61357, 78790, 102427, 122714, 204854, 306785, 512135, 613570, 797641, 1024270, 1331551, 1595282, 2663102, 3988205, 6657755, 7976410, 10369333, 13315510, 20738666, 51846665, 103693330, 483431803, 966863606, 2417159015, 4834318030, 6284613439, 12569226878, 31423067195, 62846134390, 81699974707, 163399949414, 408499873535, 816999747070]

約数ペア:

[(1, 816999747070), (2, 408499873535), (5, 163399949414), (10, 81699974707), (13, 62846134390), (26, 31423067195), (65, 12569226878), (130, 6284613439), (169, 4834318030), (338, 2417159015), (845, 966863606), (1690, 483431803), (7879, 103693330), (15758, 51846665), (39395, 20738666), (61357, 13315510), (78790, 10369333), (102427, 7976410), (122714, 6657755), (204854, 3988205), (306785, 2663102), (512135, 1595282), (613570, 1331551), (797641, 1024270)]