158721858

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{251}}^1$

素因数の和:364

約数の個数: 72

約数和(自身を含む): 372088080

約数和(自身を除く): 213366222

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 43, 57, 86, 114, 129, 171, 251, 258, 342, 387, 502, 753, 774, 817, 1506, 1634, 1849, 2259, 2451, 3698, 4518, 4769, 4902, 5547, 7353, 9538, 10793, 11094, 14307, 14706, 16641, 21586, 28614, 32379, 33282, 35131, 42921, 64758, 70262, 85842, 97137, 105393, 194274, 205067, 210786, 316179, 410134, 464099, 615201, 632358, 928198, 1230402, 1392297, 1845603, 2784594, 3691206, 4176891, 8353782, 8817881, 17635762, 26453643, 52907286, 79360929, 158721858]

約数ペア:

[(1, 158721858), (2, 79360929), (3, 52907286), (6, 26453643), (9, 17635762), (18, 8817881), (19, 8353782), (38, 4176891), (43, 3691206), (57, 2784594), (86, 1845603), (114, 1392297), (129, 1230402), (171, 928198), (251, 632358), (258, 615201), (342, 464099), (387, 410134), (502, 316179), (753, 210786), (774, 205067), (817, 194274), (1506, 105393), (1634, 97137), (1849, 85842), (2259, 70262), (2451, 64758), (3698, 42921), (4518, 35131), (4769, 33282), (4902, 32379), (5547, 28614), (7353, 21586), (9538, 16641), (10793, 14706), (11094, 14307)]