647557164

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{20143}}^1$

素因数の和:20219

約数の個数: 72

約数和(自身を含む): 1759779840

約数和(自身を除く): 1112222676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 47, 57, 76, 94, 114, 141, 171, 188, 228, 282, 342, 423, 564, 684, 846, 893, 1692, 1786, 2679, 3572, 5358, 8037, 10716, 16074, 20143, 32148, 40286, 60429, 80572, 120858, 181287, 241716, 362574, 382717, 725148, 765434, 946721, 1148151, 1530868, 1893442, 2296302, 2840163, 3444453, 3786884, 4592604, 5680326, 6888906, 8520489, 11360652, 13777812, 17040978, 17987699, 34081956, 35975398, 53963097, 71950796, 107926194, 161889291, 215852388, 323778582, 647557164]

約数ペア:

[(1, 647557164), (2, 323778582), (3, 215852388), (4, 161889291), (6, 107926194), (9, 71950796), (12, 53963097), (18, 35975398), (19, 34081956), (36, 17987699), (38, 17040978), (47, 13777812), (57, 11360652), (76, 8520489), (94, 6888906), (114, 5680326), (141, 4592604), (171, 3786884), (188, 3444453), (228, 2840163), (282, 2296302), (342, 1893442), (423, 1530868), (564, 1148151), (684, 946721), (846, 765434), (893, 725148), (1692, 382717), (1786, 362574), (2679, 241716), (3572, 181287), (5358, 120858), (8037, 80572), (10716, 60429), (16074, 40286), (20143, 32148)]