99972019

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{491}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 127526400

約数和(自身を除く): 27554381

約数列:

[1, 7, 17, 29, 59, 119, 203, 413, 491, 493, 1003, 1711, 3437, 3451, 7021, 8347, 11977, 14239, 28969, 29087, 58429, 99673, 202783, 203609, 242063, 492473, 840101, 1694441, 3447311, 5880707, 14281717, 99972019]

約数ペア:

[(1, 99972019), (7, 14281717), (17, 5880707), (29, 3447311), (59, 1694441), (119, 840101), (203, 492473), (413, 242063), (491, 203609), (493, 202783), (1003, 99673), (1711, 58429), (3437, 29087), (3451, 28969), (7021, 14239), (8347, 11977)]