31691452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 61926592

約数和(自身を除く): 30235140

約数列:

[1, 2, 4, 13, 26, 52, 61, 97, 103, 122, 194, 206, 244, 388, 412, 793, 1261, 1339, 1586, 2522, 2678, 3172, 5044, 5356, 5917, 6283, 9991, 11834, 12566, 19982, 23668, 25132, 39964, 76921, 81679, 129883, 153842, 163358, 259766, 307684, 326716, 519532, 609451, 1218902, 2437804, 7922863, 15845726, 31691452]

約数ペア:

[(1, 31691452), (2, 15845726), (4, 7922863), (13, 2437804), (26, 1218902), (52, 609451), (61, 519532), (97, 326716), (103, 307684), (122, 259766), (194, 163358), (206, 153842), (244, 129883), (388, 81679), (412, 76921), (793, 39964), (1261, 25132), (1339, 23668), (1586, 19982), (2522, 12566), (2678, 11834), (3172, 9991), (5044, 6283), (5356, 5917)]