1638163945

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 2461415040

約数和(自身を除く): 823251095

約数列:

[1, 5, 11, 17, 19, 55, 83, 85, 95, 101, 121, 187, 209, 323, 415, 505, 605, 913, 935, 1045, 1111, 1411, 1577, 1615, 1717, 1919, 2057, 2299, 3553, 4565, 5555, 7055, 7885, 8383, 8585, 9595, 10043, 10285, 11495, 12221, 15521, 17347, 17765, 18887, 21109, 26809, 32623, 39083, 41915, 50215, 61105, 77605, 86735, 92213, 94435, 105545, 134045, 142511, 159277, 163115, 170731, 190817, 195415, 207757, 232199, 294899, 358853, 461065, 712555, 796385, 853655, 954085, 1014343, 1038785, 1160995, 1474495, 1567621, 1752047, 1794265, 2707709, 3243889, 3947383, 5071715, 7838105, 8760235, 13538545, 16219445, 17243831, 19272517, 19736915, 29784799, 86219155, 96362585, 148923995, 327632789, 1638163945]

約数ペア:

[(1, 1638163945), (5, 327632789), (11, 148923995), (17, 96362585), (19, 86219155), (55, 29784799), (83, 19736915), (85, 19272517), (95, 17243831), (101, 16219445), (121, 13538545), (187, 8760235), (209, 7838105), (323, 5071715), (415, 3947383), (505, 3243889), (605, 2707709), (913, 1794265), (935, 1752047), (1045, 1567621), (1111, 1474495), (1411, 1160995), (1577, 1038785), (1615, 1014343), (1717, 954085), (1919, 853655), (2057, 796385), (2299, 712555), (3553, 461065), (4565, 358853), (5555, 294899), (7055, 232199), (7885, 207757), (8383, 195415), (8585, 190817), (9595, 170731), (10043, 163115), (10285, 159277), (11495, 142511), (12221, 134045), (15521, 105545), (17347, 94435), (17765, 92213), (18887, 86735), (21109, 77605), (26809, 61105), (32623, 50215), (39083, 41915)]