156979842

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{20981}}^1$

素因数の和:21058

約数の個数: 32

約数和(自身を含む): 332354880

約数和(自身を除く): 175375038

約数列:

[1, 2, 3, 6, 29, 43, 58, 86, 87, 129, 174, 258, 1247, 2494, 3741, 7482, 20981, 41962, 62943, 125886, 608449, 902183, 1216898, 1804366, 1825347, 2706549, 3650694, 5413098, 26163307, 52326614, 78489921, 156979842]

約数ペア:

[(1, 156979842), (2, 78489921), (3, 52326614), (6, 26163307), (29, 5413098), (43, 3650694), (58, 2706549), (86, 1825347), (87, 1804366), (129, 1216898), (174, 902183), (258, 608449), (1247, 125886), (2494, 62943), (3741, 41962), (7482, 20981)]