203485264

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{208489}}^1$

素因数の和:208558

約数の個数: 20

約数和(自身を含む): 400717780

約数和(自身を除く): 197232516

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 208489, 416978, 833956, 1667912, 3335824, 12717829, 25435658, 50871316, 101742632, 203485264]

約数ペア:

[(1, 203485264), (2, 101742632), (4, 50871316), (8, 25435658), (16, 12717829), (61, 3335824), (122, 1667912), (244, 833956), (488, 416978), (976, 208489)]