261647412

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{17291}}^1$

素因数の和:17408

約数の個数: 48

約数和(自身を含む): 664289472

約数和(自身を除く): 402642060

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 97, 156, 194, 291, 388, 582, 1164, 1261, 2522, 3783, 5044, 7566, 15132, 17291, 34582, 51873, 69164, 103746, 207492, 224783, 449566, 674349, 899132, 1348698, 1677227, 2697396, 3354454, 5031681, 6708908, 10063362, 20126724, 21803951, 43607902, 65411853, 87215804, 130823706, 261647412]

約数ペア:

[(1, 261647412), (2, 130823706), (3, 87215804), (4, 65411853), (6, 43607902), (12, 21803951), (13, 20126724), (26, 10063362), (39, 6708908), (52, 5031681), (78, 3354454), (97, 2697396), (156, 1677227), (194, 1348698), (291, 899132), (388, 674349), (582, 449566), (1164, 224783), (1261, 207492), (2522, 103746), (3783, 69164), (5044, 51873), (7566, 34582), (15132, 17291)]