204987965

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{14533}}^1$

素因数の和:14589

約数の個数: 32

約数和(自身を含む): 312539136

約数和(自身を除く): 107551171

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 2015, 2821, 14105, 14533, 72665, 101731, 188929, 450523, 508655, 944645, 1322503, 2252615, 3153661, 5856799, 6612515, 15768305, 29283995, 40997593, 204987965]

約数ペア:

[(1, 204987965), (5, 40997593), (7, 29283995), (13, 15768305), (31, 6612515), (35, 5856799), (65, 3153661), (91, 2252615), (155, 1322503), (217, 944645), (403, 508655), (455, 450523), (1085, 188929), (2015, 101731), (2821, 72665), (14105, 14533)]