7678398

素因数分解:

$2^1\times 3^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:87

約数の個数: 80

約数和(自身を含む): 19763856

約数和(自身を除く): 12085458

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 41, 42, 49, 78, 82, 91, 98, 123, 147, 182, 246, 273, 287, 294, 343, 533, 546, 574, 637, 686, 861, 1029, 1066, 1274, 1599, 1722, 1911, 2009, 2058, 2401, 3198, 3731, 3822, 4018, 4459, 4802, 6027, 7203, 7462, 8918, 11193, 12054, 13377, 14063, 14406, 22386, 26117, 26754, 28126, 31213, 42189, 52234, 62426, 78351, 84378, 93639, 98441, 156702, 182819, 187278, 196882, 295323, 365638, 548457, 590646, 1096914, 1279733, 2559466, 3839199, 7678398]

約数ペア:

[(1, 7678398), (2, 3839199), (3, 2559466), (6, 1279733), (7, 1096914), (13, 590646), (14, 548457), (21, 365638), (26, 295323), (39, 196882), (41, 187278), (42, 182819), (49, 156702), (78, 98441), (82, 93639), (91, 84378), (98, 78351), (123, 62426), (147, 52234), (182, 42189), (246, 31213), (273, 28126), (287, 26754), (294, 26117), (343, 22386), (533, 14406), (546, 14063), (574, 13377), (637, 12054), (686, 11193), (861, 8918), (1029, 7462), (1066, 7203), (1274, 6027), (1599, 4802), (1722, 4459), (1911, 4018), (2009, 3822), (2058, 3731), (2401, 3198)]