721149604

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{3361}}^1$

素因数の和:3548

約数の個数: 48

約数和(自身を含む): 1476052480

約数和(自身を除く): 754902876

約数列:

[1, 2, 4, 7, 14, 28, 79, 97, 158, 194, 316, 388, 553, 679, 1106, 1358, 2212, 2716, 3361, 6722, 7663, 13444, 15326, 23527, 30652, 47054, 53641, 94108, 107282, 214564, 265519, 326017, 531038, 652034, 1062076, 1304068, 1858633, 2282119, 3717266, 4564238, 7434532, 9128476, 25755343, 51510686, 103021372, 180287401, 360574802, 721149604]

約数ペア:

[(1, 721149604), (2, 360574802), (4, 180287401), (7, 103021372), (14, 51510686), (28, 25755343), (79, 9128476), (97, 7434532), (158, 4564238), (194, 3717266), (316, 2282119), (388, 1858633), (553, 1304068), (679, 1062076), (1106, 652034), (1358, 531038), (2212, 326017), (2716, 265519), (3361, 214564), (6722, 107282), (7663, 94108), (13444, 53641), (15326, 47054), (23527, 30652)]