2491398

素因数分解:

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

素因数の和:60

約数の個数: 80

約数和(自身を含む): 6911520

約数和(自身を除く): 4420122

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 81, 91, 117, 126, 162, 169, 182, 189, 234, 273, 338, 351, 378, 507, 546, 567, 702, 819, 1014, 1053, 1134, 1183, 1521, 1638, 2106, 2197, 2366, 2457, 3042, 3549, 4394, 4563, 4914, 6591, 7098, 7371, 9126, 10647, 13182, 13689, 14742, 15379, 19773, 21294, 27378, 30758, 31941, 39546, 46137, 59319, 63882, 92274, 95823, 118638, 138411, 177957, 191646, 276822, 355914, 415233, 830466, 1245699, 2491398]

約数ペア:

[(1, 2491398), (2, 1245699), (3, 830466), (6, 415233), (7, 355914), (9, 276822), (13, 191646), (14, 177957), (18, 138411), (21, 118638), (26, 95823), (27, 92274), (39, 63882), (42, 59319), (54, 46137), (63, 39546), (78, 31941), (81, 30758), (91, 27378), (117, 21294), (126, 19773), (162, 15379), (169, 14742), (182, 13689), (189, 13182), (234, 10647), (273, 9126), (338, 7371), (351, 7098), (378, 6591), (507, 4914), (546, 4563), (567, 4394), (702, 3549), (819, 3042), (1014, 2457), (1053, 2366), (1134, 2197), (1183, 2106), (1521, 1638)]