81850468

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{853}}^1$

素因数の和:1036

約数の個数: 48

約数和(自身を含む): 172166400

約数和(自身を除く): 90315932

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 149, 161, 298, 322, 596, 644, 853, 1043, 1706, 2086, 3412, 3427, 4172, 5971, 6854, 11942, 13708, 19619, 23884, 23989, 39238, 47978, 78476, 95956, 127097, 137333, 254194, 274666, 508388, 549332, 889679, 1779358, 2923231, 3558716, 5846462, 11692924, 20462617, 40925234, 81850468]

約数ペア:

[(1, 81850468), (2, 40925234), (4, 20462617), (7, 11692924), (14, 5846462), (23, 3558716), (28, 2923231), (46, 1779358), (92, 889679), (149, 549332), (161, 508388), (298, 274666), (322, 254194), (596, 137333), (644, 127097), (853, 95956), (1043, 78476), (1706, 47978), (2086, 39238), (3412, 23989), (3427, 23884), (4172, 19619), (5971, 13708), (6854, 11942)]