2221758

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1$

素因数の和:262

約数の個数: 72

約数和(自身を含む): 6135480

約数和(自身を除く): 3913722

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, 229, 231, 294, 441, 458, 462, 539, 687, 693, 882, 1078, 1374, 1386, 1603, 1617, 2061, 2519, 3206, 3234, 4122, 4809, 4851, 5038, 7557, 9618, 9702, 11221, 14427, 15114, 17633, 22442, 22671, 28854, 33663, 35266, 45342, 52899, 67326, 100989, 105798, 123431, 158697, 201978, 246862, 317394, 370293, 740586, 1110879, 2221758]

約数ペア:

[(1, 2221758), (2, 1110879), (3, 740586), (6, 370293), (7, 317394), (9, 246862), (11, 201978), (14, 158697), (18, 123431), (21, 105798), (22, 100989), (33, 67326), (42, 52899), (49, 45342), (63, 35266), (66, 33663), (77, 28854), (98, 22671), (99, 22442), (126, 17633), (147, 15114), (154, 14427), (198, 11221), (229, 9702), (231, 9618), (294, 7557), (441, 5038), (458, 4851), (462, 4809), (539, 4122), (687, 3234), (693, 3206), (882, 2519), (1078, 2061), (1374, 1617), (1386, 1603)]