81771564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{331}}^1$

素因数の和:535

約数の個数: 96

約数和(自身を含む): 232920576

約数和(自身を除く): 151149012

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 173, 204, 238, 331, 346, 357, 476, 519, 662, 692, 714, 993, 1038, 1211, 1324, 1428, 1986, 2076, 2317, 2422, 2941, 3633, 3972, 4634, 4844, 5627, 5882, 6951, 7266, 8823, 9268, 11254, 11764, 13902, 14532, 16881, 17646, 20587, 22508, 27804, 33762, 35292, 39389, 41174, 57263, 61761, 67524, 78778, 82348, 114526, 118167, 123522, 157556, 171789, 229052, 236334, 247044, 343578, 400841, 472668, 687156, 801682, 973471, 1202523, 1603364, 1946942, 2405046, 2920413, 3893884, 4810092, 5840826, 6814297, 11681652, 13628594, 20442891, 27257188, 40885782, 81771564]

約数ペア:

[(1, 81771564), (2, 40885782), (3, 27257188), (4, 20442891), (6, 13628594), (7, 11681652), (12, 6814297), (14, 5840826), (17, 4810092), (21, 3893884), (28, 2920413), (34, 2405046), (42, 1946942), (51, 1603364), (68, 1202523), (84, 973471), (102, 801682), (119, 687156), (173, 472668), (204, 400841), (238, 343578), (331, 247044), (346, 236334), (357, 229052), (476, 171789), (519, 157556), (662, 123522), (692, 118167), (714, 114526), (993, 82348), (1038, 78778), (1211, 67524), (1324, 61761), (1428, 57263), (1986, 41174), (2076, 39389), (2317, 35292), (2422, 33762), (2941, 27804), (3633, 22508), (3972, 20587), (4634, 17646), (4844, 16881), (5627, 14532), (5882, 13902), (6951, 11764), (7266, 11254), (8823, 9268)]