71935689

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 120637440

約数和(自身を除く): 48701751

約数列:

[1, 3, 7, 21, 29, 41, 43, 67, 87, 123, 129, 201, 203, 287, 301, 469, 609, 861, 903, 1189, 1247, 1407, 1763, 1943, 2747, 2881, 3567, 3741, 5289, 5829, 8241, 8323, 8643, 8729, 12341, 13601, 19229, 20167, 24969, 26187, 37023, 40803, 51127, 57687, 60501, 79663, 83549, 118121, 153381, 238989, 250647, 354363, 357889, 557641, 584843, 826847, 1073667, 1672923, 1754529, 2480541, 3425509, 10276527, 23978563, 71935689]

約数ペア:

[(1, 71935689), (3, 23978563), (7, 10276527), (21, 3425509), (29, 2480541), (41, 1754529), (43, 1672923), (67, 1073667), (87, 826847), (123, 584843), (129, 557641), (201, 357889), (203, 354363), (287, 250647), (301, 238989), (469, 153381), (609, 118121), (861, 83549), (903, 79663), (1189, 60501), (1247, 57687), (1407, 51127), (1763, 40803), (1943, 37023), (2747, 26187), (2881, 24969), (3567, 20167), (3741, 19229), (5289, 13601), (5829, 12341), (8241, 8729), (8323, 8643)]