68243516

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 142331280

約数和(自身を除く): 74087764

約数列:

[1, 2, 4, 11, 19, 22, 38, 41, 44, 76, 82, 121, 164, 181, 209, 242, 362, 418, 451, 484, 724, 779, 836, 902, 1558, 1804, 1991, 2299, 3116, 3439, 3982, 4598, 4961, 6878, 7421, 7964, 8569, 9196, 9922, 13756, 14842, 17138, 19844, 21901, 29684, 34276, 37829, 43802, 75658, 81631, 87604, 94259, 140999, 151316, 163262, 188518, 281998, 326524, 377036, 416119, 563996, 832238, 897941, 1550989, 1664476, 1795882, 3101978, 3591764, 6203956, 17060879, 34121758, 68243516]

約数ペア:

[(1, 68243516), (2, 34121758), (4, 17060879), (11, 6203956), (19, 3591764), (22, 3101978), (38, 1795882), (41, 1664476), (44, 1550989), (76, 897941), (82, 832238), (121, 563996), (164, 416119), (181, 377036), (209, 326524), (242, 281998), (362, 188518), (418, 163262), (451, 151316), (484, 140999), (724, 94259), (779, 87604), (836, 81631), (902, 75658), (1558, 43802), (1804, 37829), (1991, 34276), (2299, 29684), (3116, 21901), (3439, 19844), (3982, 17138), (4598, 14842), (4961, 13756), (6878, 9922), (7421, 9196), (7964, 8569)]