1816016158

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:705

約数の個数: 48

約数和(自身を含む): 3047466240

約数和(自身を除く): 1231450082

約数列:

[1, 2, 11, 22, 101, 121, 191, 202, 242, 382, 389, 778, 1111, 2101, 2222, 4202, 4279, 8558, 12221, 19291, 23111, 24442, 38582, 39289, 46222, 47069, 74299, 78578, 94138, 148598, 212201, 424402, 432179, 817289, 864358, 1634578, 2334211, 4668422, 4753969, 7504199, 8990179, 9507938, 15008398, 17980358, 82546189, 165092378, 908008079, 1816016158]

約数ペア:

[(1, 1816016158), (2, 908008079), (11, 165092378), (22, 82546189), (101, 17980358), (121, 15008398), (191, 9507938), (202, 8990179), (242, 7504199), (382, 4753969), (389, 4668422), (778, 2334211), (1111, 1634578), (2101, 864358), (2222, 817289), (4202, 432179), (4279, 424402), (8558, 212201), (12221, 148598), (19291, 94138), (23111, 78578), (24442, 74299), (38582, 47069), (39289, 46222)]