205253503

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 273490560

約数和(自身を除く): 68237057

約数列:

[1, 7, 13, 29, 41, 49, 91, 203, 271, 287, 377, 533, 637, 1189, 1421, 1897, 2009, 2639, 3523, 3731, 7859, 8323, 11111, 13279, 15457, 18473, 24661, 26117, 55013, 58261, 77777, 102167, 108199, 144443, 172627, 322219, 385091, 544439, 715169, 757393, 1011101, 2255533, 4188847, 5006183, 7077707, 15788731, 29321929, 205253503]

約数ペア:

[(1, 205253503), (7, 29321929), (13, 15788731), (29, 7077707), (41, 5006183), (49, 4188847), (91, 2255533), (203, 1011101), (271, 757393), (287, 715169), (377, 544439), (533, 385091), (637, 322219), (1189, 172627), (1421, 144443), (1897, 108199), (2009, 102167), (2639, 77777), (3523, 58261), (3731, 55013), (7859, 26117), (8323, 24661), (11111, 18473), (13279, 15457)]