72260812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1901}}^1$

素因数の和:1978

約数の個数: 48

約数和(自身を含む): 147625632

約数和(自身を除く): 75364820

約数列:

[1, 2, 4, 13, 17, 26, 34, 43, 52, 68, 86, 172, 221, 442, 559, 731, 884, 1118, 1462, 1901, 2236, 2924, 3802, 7604, 9503, 19006, 24713, 32317, 38012, 49426, 64634, 81743, 98852, 129268, 163486, 326972, 420121, 840242, 1062659, 1389631, 1680484, 2125318, 2779262, 4250636, 5558524, 18065203, 36130406, 72260812]

約数ペア:

[(1, 72260812), (2, 36130406), (4, 18065203), (13, 5558524), (17, 4250636), (26, 2779262), (34, 2125318), (43, 1680484), (52, 1389631), (68, 1062659), (86, 840242), (172, 420121), (221, 326972), (442, 163486), (559, 129268), (731, 98852), (884, 81743), (1118, 64634), (1462, 49426), (1901, 38012), (2236, 32317), (2924, 24713), (3802, 19006), (7604, 9503)]