199976788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{74507}}^1$

素因数の和:74583

約数の個数: 24

約数和(自身を含む): 388037664

約数和(自身を除く): 188060876

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 74507, 149014, 298028, 819577, 1639154, 3278308, 4544927, 9089854, 18179708, 49994197, 99988394, 199976788]

約数ペア:

[(1, 199976788), (2, 99988394), (4, 49994197), (11, 18179708), (22, 9089854), (44, 4544927), (61, 3278308), (122, 1639154), (244, 819577), (671, 298028), (1342, 149014), (2684, 74507)]