31881564

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{563}}^1$

素因数の和:608

約数の個数: 108

約数和(自身を含む): 95565288

約数和(自身を除く): 63683724

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 121, 132, 143, 156, 198, 234, 242, 286, 363, 396, 429, 468, 484, 563, 572, 726, 858, 1089, 1126, 1287, 1452, 1573, 1689, 1716, 2178, 2252, 2574, 3146, 3378, 4356, 4719, 5067, 5148, 6193, 6292, 6756, 7319, 9438, 10134, 12386, 14157, 14638, 18579, 18876, 20268, 21957, 24772, 28314, 29276, 37158, 43914, 55737, 56628, 65871, 68123, 74316, 80509, 87828, 111474, 131742, 136246, 161018, 204369, 222948, 241527, 263484, 272492, 322036, 408738, 483054, 613107, 724581, 817476, 885599, 966108, 1226214, 1449162, 1771198, 2452428, 2656797, 2898324, 3542396, 5313594, 7970391, 10627188, 15940782, 31881564]

約数ペア:

[(1, 31881564), (2, 15940782), (3, 10627188), (4, 7970391), (6, 5313594), (9, 3542396), (11, 2898324), (12, 2656797), (13, 2452428), (18, 1771198), (22, 1449162), (26, 1226214), (33, 966108), (36, 885599), (39, 817476), (44, 724581), (52, 613107), (66, 483054), (78, 408738), (99, 322036), (117, 272492), (121, 263484), (132, 241527), (143, 222948), (156, 204369), (198, 161018), (234, 136246), (242, 131742), (286, 111474), (363, 87828), (396, 80509), (429, 74316), (468, 68123), (484, 65871), (563, 56628), (572, 55737), (726, 43914), (858, 37158), (1089, 29276), (1126, 28314), (1287, 24772), (1452, 21957), (1573, 20268), (1689, 18876), (1716, 18579), (2178, 14638), (2252, 14157), (2574, 12386), (3146, 10134), (3378, 9438), (4356, 7319), (4719, 6756), (5067, 6292), (5148, 6193)]