216965710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{2063}}^1$

素因数の和:2892

約数の個数: 32

約数和(自身を含む): 421303680

約数和(自身を除く): 204337970

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 809, 1618, 2063, 4045, 4126, 8090, 10315, 10517, 20630, 21034, 26819, 52585, 53638, 105170, 134095, 268190, 1668967, 3337934, 8344835, 16689670, 21696571, 43393142, 108482855, 216965710]

約数ペア:

[(1, 216965710), (2, 108482855), (5, 43393142), (10, 21696571), (13, 16689670), (26, 8344835), (65, 3337934), (130, 1668967), (809, 268190), (1618, 134095), (2063, 105170), (4045, 53638), (4126, 52585), (8090, 26819), (10315, 21034), (10517, 20630)]