78686013

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 138583872

約数和(自身を除く): 59897859

約数列:

[1, 3, 7, 17, 21, 23, 37, 49, 51, 69, 111, 119, 147, 161, 259, 357, 391, 483, 629, 777, 833, 851, 1127, 1173, 1369, 1813, 1887, 2499, 2553, 2737, 3381, 4107, 4403, 5439, 5957, 8211, 9583, 13209, 14467, 17871, 19159, 23273, 28749, 30821, 31487, 41699, 43401, 57477, 67081, 69819, 92463, 94461, 101269, 125097, 162911, 201243, 220409, 303807, 488733, 535279, 661227, 708883, 1140377, 1542863, 1605837, 2126649, 3421131, 3746953, 4628589, 11240859, 26228671, 78686013]

約数ペア:

[(1, 78686013), (3, 26228671), (7, 11240859), (17, 4628589), (21, 3746953), (23, 3421131), (37, 2126649), (49, 1605837), (51, 1542863), (69, 1140377), (111, 708883), (119, 661227), (147, 535279), (161, 488733), (259, 303807), (357, 220409), (391, 201243), (483, 162911), (629, 125097), (777, 101269), (833, 94461), (851, 92463), (1127, 69819), (1173, 67081), (1369, 57477), (1813, 43401), (1887, 41699), (2499, 31487), (2553, 30821), (2737, 28749), (3381, 23273), (4107, 19159), (4403, 17871), (5439, 14467), (5957, 13209), (8211, 9583)]