157200505

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1831}}^1$

素因数の和:2077

約数の個数: 32

約数和(自身を含む): 236371968

約数和(自身を除く): 79171463

約数列:

[1, 5, 7, 11, 35, 55, 77, 223, 385, 1115, 1561, 1831, 2453, 7805, 9155, 12265, 12817, 17171, 20141, 64085, 85855, 100705, 140987, 408313, 704935, 2041565, 2858191, 4491443, 14290955, 22457215, 31440101, 157200505]

約数ペア:

[(1, 157200505), (5, 31440101), (7, 22457215), (11, 14290955), (35, 4491443), (55, 2858191), (77, 2041565), (223, 704935), (385, 408313), (1115, 140987), (1561, 100705), (1831, 85855), (2453, 64085), (7805, 20141), (9155, 17171), (12265, 12817)]