281504972

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{20393}}^1$

素因数の和:20450

約数の個数: 48

約数和(自身を含む): 616714560

約数和(自身を除く): 335209588

約数列:

[1, 2, 4, 7, 14, 17, 28, 29, 34, 58, 68, 116, 119, 203, 238, 406, 476, 493, 812, 986, 1972, 3451, 6902, 13804, 20393, 40786, 81572, 142751, 285502, 346681, 571004, 591397, 693362, 1182794, 1386724, 2365588, 2426767, 4139779, 4853534, 8279558, 9707068, 10053749, 16559116, 20107498, 40214996, 70376243, 140752486, 281504972]

約数ペア:

[(1, 281504972), (2, 140752486), (4, 70376243), (7, 40214996), (14, 20107498), (17, 16559116), (28, 10053749), (29, 9707068), (34, 8279558), (58, 4853534), (68, 4139779), (116, 2426767), (119, 2365588), (203, 1386724), (238, 1182794), (406, 693362), (476, 591397), (493, 571004), (812, 346681), (986, 285502), (1972, 142751), (3451, 81572), (6902, 40786), (13804, 20393)]