251119486540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{1306961}}^1$

素因数の和:1307722

約数の個数: 48

約数和(自身を含む): 568685305440

約数和(自身を除く): 317565818900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 739, 1478, 2956, 3695, 7390, 9607, 14780, 19214, 38428, 48035, 96070, 192140, 1306961, 2613922, 5227844, 6534805, 13069610, 16990493, 26139220, 33980986, 67961972, 84952465, 169904930, 339809860, 965844179, 1931688358, 3863376716, 4829220895, 9658441790, 12555974327, 19316883580, 25111948654, 50223897308, 62779871635, 125559743270, 251119486540]

約数ペア:

[(1, 251119486540), (2, 125559743270), (4, 62779871635), (5, 50223897308), (10, 25111948654), (13, 19316883580), (20, 12555974327), (26, 9658441790), (52, 4829220895), (65, 3863376716), (130, 1931688358), (260, 965844179), (739, 339809860), (1478, 169904930), (2956, 84952465), (3695, 67961972), (7390, 33980986), (9607, 26139220), (14780, 16990493), (19214, 13069610), (38428, 6534805), (48035, 5227844), (96070, 2613922), (192140, 1306961)]