2551626

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1$

素因数の和:296

約数の個数: 72

約数和(自身を含む): 7042464

約数和(自身を除く): 4490838

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 49, 63, 66, 77, 98, 99, 126, 147, 154, 198, 231, 263, 294, 441, 462, 526, 539, 693, 789, 882, 1078, 1386, 1578, 1617, 1841, 2367, 2893, 3234, 3682, 4734, 4851, 5523, 5786, 8679, 9702, 11046, 12887, 16569, 17358, 20251, 25774, 26037, 33138, 38661, 40502, 52074, 60753, 77322, 115983, 121506, 141757, 182259, 231966, 283514, 364518, 425271, 850542, 1275813, 2551626]

約数ペア:

[(1, 2551626), (2, 1275813), (3, 850542), (6, 425271), (7, 364518), (9, 283514), (11, 231966), (14, 182259), (18, 141757), (21, 121506), (22, 115983), (33, 77322), (42, 60753), (49, 52074), (63, 40502), (66, 38661), (77, 33138), (98, 26037), (99, 25774), (126, 20251), (147, 17358), (154, 16569), (198, 12887), (231, 11046), (263, 9702), (294, 8679), (441, 5786), (462, 5523), (526, 4851), (539, 4734), (693, 3682), (789, 3234), (882, 2893), (1078, 2367), (1386, 1841), (1578, 1617)]