129968531

素因数分解:

$7^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:102

約数の個数: 48

約数和(自身を含む): 178824960

約数和(自身を除く): 48856429

約数列:

[1, 7, 11, 19, 37, 49, 77, 133, 209, 259, 343, 407, 539, 703, 931, 1463, 1813, 2401, 2849, 3773, 4921, 6517, 7733, 10241, 12691, 16807, 19943, 26411, 34447, 45619, 54131, 71687, 88837, 139601, 184877, 241129, 319333, 378917, 501809, 621859, 977207, 1687903, 2652419, 3512663, 6840449, 11815321, 18566933, 129968531]

約数ペア:

[(1, 129968531), (7, 18566933), (11, 11815321), (19, 6840449), (37, 3512663), (49, 2652419), (77, 1687903), (133, 977207), (209, 621859), (259, 501809), (343, 378917), (407, 319333), (539, 241129), (703, 184877), (931, 139601), (1463, 88837), (1813, 71687), (2401, 54131), (2849, 45619), (3773, 34447), (4921, 26411), (6517, 19943), (7733, 16807), (10241, 12691)]