72189778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{547}}^1$

素因数の和:742

約数の個数: 32

約数和(自身を含む): 119946240

約数和(自身を除く): 47756462

約数列:

[1, 2, 19, 23, 38, 46, 151, 302, 437, 547, 874, 1094, 2869, 3473, 5738, 6946, 10393, 12581, 20786, 25162, 65987, 82597, 131974, 165194, 239039, 478078, 1569343, 1899731, 3138686, 3799462, 36094889, 72189778]

約数ペア:

[(1, 72189778), (2, 36094889), (19, 3799462), (23, 3138686), (38, 1899731), (46, 1569343), (151, 478078), (302, 239039), (437, 165194), (547, 131974), (874, 82597), (1094, 65987), (2869, 25162), (3473, 20786), (5738, 12581), (6946, 10393)]