1720341469

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 2343624192

約数和(自身を除く): 623282723

約数列:

[1, 7, 11, 17, 53, 77, 119, 137, 181, 187, 371, 583, 901, 959, 1267, 1309, 1507, 1991, 2329, 3077, 4081, 6307, 7261, 9593, 9911, 10549, 13937, 16303, 21539, 24797, 25619, 33847, 50827, 67151, 69377, 79871, 105523, 123437, 163081, 173579, 179333, 236929, 272767, 421549, 559097, 738661, 864059, 1141567, 1314241, 1357807, 1793891, 1909369, 2950843, 4637039, 9199687, 9504649, 12557237, 14456651, 22342097, 32459273, 101196557, 156394679, 245763067, 1720341469]

約数ペア:

[(1, 1720341469), (7, 245763067), (11, 156394679), (17, 101196557), (53, 32459273), (77, 22342097), (119, 14456651), (137, 12557237), (181, 9504649), (187, 9199687), (371, 4637039), (583, 2950843), (901, 1909369), (959, 1793891), (1267, 1357807), (1309, 1314241), (1507, 1141567), (1991, 864059), (2329, 738661), (3077, 559097), (4081, 421549), (6307, 272767), (7261, 236929), (9593, 179333), (9911, 173579), (10549, 163081), (13937, 123437), (16303, 105523), (21539, 79871), (24797, 69377), (25619, 67151), (33847, 50827)]