31683988

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 70412328

約数和(自身を除く): 38728340

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 37, 49, 68, 74, 98, 119, 148, 196, 238, 257, 259, 476, 514, 518, 629, 833, 1028, 1036, 1258, 1666, 1799, 1813, 2516, 3332, 3598, 3626, 4369, 4403, 7196, 7252, 8738, 8806, 9509, 12593, 17476, 17612, 19018, 25186, 30583, 30821, 38036, 50372, 61166, 61642, 66563, 122332, 123284, 133126, 161653, 214081, 266252, 323306, 428162, 465941, 646612, 856324, 931882, 1131571, 1863764, 2263142, 4526284, 7920997, 15841994, 31683988]

約数ペア:

[(1, 31683988), (2, 15841994), (4, 7920997), (7, 4526284), (14, 2263142), (17, 1863764), (28, 1131571), (34, 931882), (37, 856324), (49, 646612), (68, 465941), (74, 428162), (98, 323306), (119, 266252), (148, 214081), (196, 161653), (238, 133126), (257, 123284), (259, 122332), (476, 66563), (514, 61642), (518, 61166), (629, 50372), (833, 38036), (1028, 30821), (1036, 30583), (1258, 25186), (1666, 19018), (1799, 17612), (1813, 17476), (2516, 12593), (3332, 9509), (3598, 8806), (3626, 8738), (4369, 7252), (4403, 7196)]