155118425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1321}}^1$

素因数の和:1410

約数の個数: 48

約数和(自身を含む): 243924864

約数和(自身を除く): 88806439

約数列:

[1, 5, 7, 11, 25, 35, 55, 61, 77, 175, 275, 305, 385, 427, 671, 1321, 1525, 1925, 2135, 3355, 4697, 6605, 9247, 10675, 14531, 16775, 23485, 33025, 46235, 72655, 80581, 101717, 117425, 231175, 363275, 402905, 508585, 564067, 886391, 2014525, 2542925, 2820335, 4431955, 6204737, 14101675, 22159775, 31023685, 155118425]

約数ペア:

[(1, 155118425), (5, 31023685), (7, 22159775), (11, 14101675), (25, 6204737), (35, 4431955), (55, 2820335), (61, 2542925), (77, 2014525), (175, 886391), (275, 564067), (305, 508585), (385, 402905), (427, 363275), (671, 231175), (1321, 117425), (1525, 101717), (1925, 80581), (2135, 72655), (3355, 46235), (4697, 33025), (6605, 23485), (9247, 16775), (10675, 14531)]