217699638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{313}}^1$

素因数の和:609

約数の個数: 64

約数和(自身を含む): 485107392

約数和(自身を除く): 267407754

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 241, 313, 481, 482, 626, 723, 939, 962, 1443, 1446, 1878, 2886, 3133, 4069, 6266, 8138, 8917, 9399, 11581, 12207, 17834, 18798, 23162, 24414, 26751, 34743, 53502, 69486, 75433, 115921, 150553, 150866, 226299, 231842, 301106, 347763, 451659, 452598, 695526, 903318, 980629, 1961258, 2791021, 2941887, 5582042, 5883774, 8373063, 16746126, 36283273, 72566546, 108849819, 217699638]

約数ペア:

[(1, 217699638), (2, 108849819), (3, 72566546), (6, 36283273), (13, 16746126), (26, 8373063), (37, 5883774), (39, 5582042), (74, 2941887), (78, 2791021), (111, 1961258), (222, 980629), (241, 903318), (313, 695526), (481, 452598), (482, 451659), (626, 347763), (723, 301106), (939, 231842), (962, 226299), (1443, 150866), (1446, 150553), (1878, 115921), (2886, 75433), (3133, 69486), (4069, 53502), (6266, 34743), (8138, 26751), (8917, 24414), (9399, 23162), (11581, 18798), (12207, 17834)]