8131158

素因数分解:

$2^1\times 3^3\times 7^3\times {\mathrm{439}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 21120000

約数和(自身を除く): 12988842

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 343, 378, 439, 441, 686, 878, 882, 1029, 1317, 1323, 2058, 2634, 2646, 3073, 3087, 3951, 6146, 6174, 7902, 9219, 9261, 11853, 18438, 18522, 21511, 23706, 27657, 43022, 55314, 64533, 82971, 129066, 150577, 165942, 193599, 301154, 387198, 451731, 580797, 903462, 1161594, 1355193, 2710386, 4065579, 8131158]

約数ペア:

[(1, 8131158), (2, 4065579), (3, 2710386), (6, 1355193), (7, 1161594), (9, 903462), (14, 580797), (18, 451731), (21, 387198), (27, 301154), (42, 193599), (49, 165942), (54, 150577), (63, 129066), (98, 82971), (126, 64533), (147, 55314), (189, 43022), (294, 27657), (343, 23706), (378, 21511), (439, 18522), (441, 18438), (686, 11853), (878, 9261), (882, 9219), (1029, 7902), (1317, 6174), (1323, 6146), (2058, 3951), (2634, 3087), (2646, 3073)]