205679502

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{20663}}^1$

素因数の和:20757

約数の個数: 48

約数和(自身を含む): 515773440

約数和(自身を除く): 310093938

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 79, 126, 158, 237, 474, 553, 711, 1106, 1422, 1659, 3318, 4977, 9954, 20663, 41326, 61989, 123978, 144641, 185967, 289282, 371934, 433923, 867846, 1301769, 1632377, 2603538, 3264754, 4897131, 9794262, 11426639, 14691393, 22853278, 29382786, 34279917, 68559834, 102839751, 205679502]

約数ペア:

[(1, 205679502), (2, 102839751), (3, 68559834), (6, 34279917), (7, 29382786), (9, 22853278), (14, 14691393), (18, 11426639), (21, 9794262), (42, 4897131), (63, 3264754), (79, 2603538), (126, 1632377), (158, 1301769), (237, 867846), (474, 433923), (553, 371934), (711, 289282), (1106, 185967), (1422, 144641), (1659, 123978), (3318, 61989), (4977, 41326), (9954, 20663)]