31251038

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 61931520

約数和(自身を除く): 30680482

約数列:

[1, 2, 7, 13, 14, 26, 29, 31, 58, 62, 91, 182, 191, 203, 217, 377, 382, 403, 406, 434, 754, 806, 899, 1337, 1798, 2483, 2639, 2674, 2821, 4966, 5278, 5539, 5642, 5921, 6293, 11078, 11687, 11842, 12586, 17381, 23374, 34762, 38773, 41447, 72007, 76973, 77546, 81809, 82894, 144014, 153946, 163618, 171709, 343418, 504049, 538811, 1008098, 1077622, 1201963, 2232217, 2403926, 4464434, 15625519, 31251038]

約数ペア:

[(1, 31251038), (2, 15625519), (7, 4464434), (13, 2403926), (14, 2232217), (26, 1201963), (29, 1077622), (31, 1008098), (58, 538811), (62, 504049), (91, 343418), (182, 171709), (191, 163618), (203, 153946), (217, 144014), (377, 82894), (382, 81809), (403, 77546), (406, 76973), (434, 72007), (754, 41447), (806, 38773), (899, 34762), (1337, 23374), (1798, 17381), (2483, 12586), (2639, 11842), (2674, 11687), (2821, 11078), (4966, 6293), (5278, 5921), (5539, 5642)]