201997999268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{20338099}}^1$

素因数の和:20338307

約数の個数: 24

約数和(自身を含む): 382681689600

約数和(自身を除く): 180683690332

約数列:

[1, 2, 4, 13, 26, 52, 191, 382, 764, 2483, 4966, 9932, 20338099, 40676198, 81352396, 264395287, 528790574, 1057581148, 3884576909, 7769153818, 15538307636, 50499499817, 100998999634, 201997999268]

約数ペア:

[(1, 201997999268), (2, 100998999634), (4, 50499499817), (13, 15538307636), (26, 7769153818), (52, 3884576909), (191, 1057581148), (382, 528790574), (764, 264395287), (2483, 81352396), (4966, 40676198), (9932, 20338099)]