161195216

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{110711}}^1$

素因数の和:110739

約数の個数: 40

約数和(自身を含む): 384392064

約数和(自身を除く): 223196848

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 110711, 221422, 442844, 774977, 885688, 1439243, 1549954, 1771376, 2878486, 3099908, 5756972, 6199816, 10074701, 11513944, 12399632, 20149402, 23027888, 40298804, 80597608, 161195216]

約数ペア:

[(1, 161195216), (2, 80597608), (4, 40298804), (7, 23027888), (8, 20149402), (13, 12399632), (14, 11513944), (16, 10074701), (26, 6199816), (28, 5756972), (52, 3099908), (56, 2878486), (91, 1771376), (104, 1549954), (112, 1439243), (182, 885688), (208, 774977), (364, 442844), (728, 221422), (1456, 110711)]