251013407060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{18215777}}^1$

素因数の和:18215852

約数の個数: 48

約数和(自身を含む): 578387383056

約数和(自身を除く): 327373975996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 13780, 18215777, 36431554, 72863108, 91078885, 182157770, 236805101, 364315540, 473610202, 947220404, 965436181, 1184025505, 1930872362, 2368051010, 3861744724, 4736102020, 4827180905, 9654361810, 12550670353, 19308723620, 25101340706, 50202681412, 62753351765, 125506703530, 251013407060]

約数ペア:

[(1, 251013407060), (2, 125506703530), (4, 62753351765), (5, 50202681412), (10, 25101340706), (13, 19308723620), (20, 12550670353), (26, 9654361810), (52, 4827180905), (53, 4736102020), (65, 3861744724), (106, 2368051010), (130, 1930872362), (212, 1184025505), (260, 965436181), (265, 947220404), (530, 473610202), (689, 364315540), (1060, 236805101), (1378, 182157770), (2756, 91078885), (3445, 72863108), (6890, 36431554), (13780, 18215777)]