81312876

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:356

約数の個数: 96

約数和(自身を含む): 220416000

約数和(自身を除く): 139103124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 93, 108, 124, 149, 163, 186, 279, 298, 326, 372, 447, 489, 558, 596, 652, 837, 894, 978, 1116, 1341, 1467, 1674, 1788, 1956, 2682, 2934, 3348, 4023, 4401, 4619, 5053, 5364, 5868, 8046, 8802, 9238, 10106, 13857, 15159, 16092, 17604, 18476, 20212, 24287, 27714, 30318, 41571, 45477, 48574, 55428, 60636, 72861, 83142, 90954, 97148, 124713, 136431, 145722, 166284, 181908, 218583, 249426, 272862, 291444, 437166, 498852, 545724, 655749, 752897, 874332, 1311498, 1505794, 2258691, 2622996, 3011588, 4517382, 6776073, 9034764, 13552146, 20328219, 27104292, 40656438, 81312876]

約数ペア:

[(1, 81312876), (2, 40656438), (3, 27104292), (4, 20328219), (6, 13552146), (9, 9034764), (12, 6776073), (18, 4517382), (27, 3011588), (31, 2622996), (36, 2258691), (54, 1505794), (62, 1311498), (93, 874332), (108, 752897), (124, 655749), (149, 545724), (163, 498852), (186, 437166), (279, 291444), (298, 272862), (326, 249426), (372, 218583), (447, 181908), (489, 166284), (558, 145722), (596, 136431), (652, 124713), (837, 97148), (894, 90954), (978, 83142), (1116, 72861), (1341, 60636), (1467, 55428), (1674, 48574), (1788, 45477), (1956, 41571), (2682, 30318), (2934, 27714), (3348, 24287), (4023, 20212), (4401, 18476), (4619, 17604), (5053, 16092), (5364, 15159), (5868, 13857), (8046, 10106), (8802, 9238)]