189921004

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16831}}^1$

素因数の和:16886

約数の個数: 48

約数和(自身を含む): 422281216

約数和(自身を除く): 232360212

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2821, 5642, 11284, 16831, 33662, 67324, 117817, 218803, 235634, 437606, 471268, 521761, 875212, 1043522, 1531621, 2087044, 3063242, 3652327, 6126484, 6782893, 7304654, 13565786, 14609308, 27131572, 47480251, 94960502, 189921004]

約数ペア:

[(1, 189921004), (2, 94960502), (4, 47480251), (7, 27131572), (13, 14609308), (14, 13565786), (26, 7304654), (28, 6782893), (31, 6126484), (52, 3652327), (62, 3063242), (91, 2087044), (124, 1531621), (182, 1043522), (217, 875212), (364, 521761), (403, 471268), (434, 437606), (806, 235634), (868, 218803), (1612, 117817), (2821, 67324), (5642, 33662), (11284, 16831)]