2017996057

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 2836684800

約数和(自身を除く): 818688743

約数列:

[1, 7, 11, 23, 31, 49, 59, 77, 89, 161, 217, 253, 341, 413, 539, 623, 649, 713, 979, 1127, 1357, 1519, 1771, 1829, 2047, 2387, 2759, 2891, 4361, 4543, 4991, 5251, 6853, 7843, 9499, 12397, 12803, 14329, 14927, 16709, 19313, 20119, 22517, 30349, 31801, 34937, 36757, 42067, 47971, 54901, 57761, 63457, 66493, 89621, 100303, 104489, 120773, 135191, 140833, 157619, 162781, 212443, 257299, 294469, 384307, 404327, 444199, 462737, 698027, 731423, 845411, 985831, 1103333, 1139467, 1328503, 1487101, 1790591, 2061283, 2830289, 3109393, 3239159, 3743963, 4886189, 5917877, 7976269, 9299521, 12534137, 22674113, 26207741, 34203323, 41183593, 65096647, 87738959, 183454187, 288285151, 2017996057]

約数ペア:

[(1, 2017996057), (7, 288285151), (11, 183454187), (23, 87738959), (31, 65096647), (49, 41183593), (59, 34203323), (77, 26207741), (89, 22674113), (161, 12534137), (217, 9299521), (253, 7976269), (341, 5917877), (413, 4886189), (539, 3743963), (623, 3239159), (649, 3109393), (713, 2830289), (979, 2061283), (1127, 1790591), (1357, 1487101), (1519, 1328503), (1771, 1139467), (1829, 1103333), (2047, 985831), (2387, 845411), (2759, 731423), (2891, 698027), (4361, 462737), (4543, 444199), (4991, 404327), (5251, 384307), (6853, 294469), (7843, 257299), (9499, 212443), (12397, 162781), (12803, 157619), (14329, 140833), (14927, 135191), (16709, 120773), (19313, 104489), (20119, 100303), (22517, 89621), (30349, 66493), (31801, 63457), (34937, 57761), (36757, 54901), (42067, 47971)]