172044145

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2843}}^1$

素因数の和:2894

約数の個数: 48

約数和(自身を含む): 272341440

約数和(自身を除く): 100297295

約数列:

[1, 5, 7, 13, 19, 35, 49, 65, 91, 95, 133, 245, 247, 455, 637, 665, 931, 1235, 1729, 2843, 3185, 4655, 8645, 12103, 14215, 19901, 36959, 54017, 60515, 99505, 139307, 184795, 258713, 270085, 378119, 696535, 702221, 1293565, 1810991, 1890595, 2646833, 3511105, 4915547, 9054955, 13234165, 24577735, 34408829, 172044145]

約数ペア:

[(1, 172044145), (5, 34408829), (7, 24577735), (13, 13234165), (19, 9054955), (35, 4915547), (49, 3511105), (65, 2646833), (91, 1890595), (95, 1810991), (133, 1293565), (245, 702221), (247, 696535), (455, 378119), (637, 270085), (665, 258713), (931, 184795), (1235, 139307), (1729, 99505), (2843, 60515), (3185, 54017), (4655, 36959), (8645, 19901), (12103, 14215)]