281995558

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{10459}}^1$

素因数の和:10552

約数の個数: 32

約数和(自身を含む): 490281120

約数和(自身を除く): 208285562

約数列:

[1, 2, 13, 17, 26, 34, 61, 122, 221, 442, 793, 1037, 1586, 2074, 10459, 13481, 20918, 26962, 135967, 177803, 271934, 355606, 637999, 1275998, 2311439, 4622878, 8293987, 10845983, 16587974, 21691966, 140997779, 281995558]

約数ペア:

[(1, 281995558), (2, 140997779), (13, 21691966), (17, 16587974), (26, 10845983), (34, 8293987), (61, 4622878), (122, 2311439), (221, 1275998), (442, 637999), (793, 355606), (1037, 271934), (1586, 177803), (2074, 135967), (10459, 26962), (13481, 20918)]