280906654

素因数分解:

$2^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1\times {\mathrm{773}}^1$

素因数の和:1140

約数の個数: 32

約数和(自身を含む): 488846016

約数和(自身を除く): 207939362

約数列:

[1, 2, 7, 14, 101, 202, 257, 514, 707, 773, 1414, 1546, 1799, 3598, 5411, 10822, 25957, 51914, 78073, 156146, 181699, 198661, 363398, 397322, 546511, 1093022, 1390627, 2781254, 20064761, 40129522, 140453327, 280906654]

約数ペア:

[(1, 280906654), (2, 140453327), (7, 40129522), (14, 20064761), (101, 2781254), (202, 1390627), (257, 1093022), (514, 546511), (707, 397322), (773, 363398), (1414, 198661), (1546, 181699), (1799, 156146), (3598, 78073), (5411, 51914), (10822, 25957)]