1981641130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{12689}}^1$

素因数の和:12823

約数の個数: 64

約数和(自身を含む): 4297950720

約数和(自身を除く): 2316309590

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 97, 115, 161, 194, 230, 322, 485, 679, 805, 970, 1358, 1610, 2231, 3395, 4462, 6790, 11155, 12689, 15617, 22310, 25378, 31234, 63445, 78085, 88823, 126890, 156170, 177646, 291847, 444115, 583694, 888230, 1230833, 1459235, 2042929, 2461666, 2918470, 4085858, 6154165, 8615831, 10214645, 12308330, 17231662, 20429290, 28309159, 43079155, 56618318, 86158310, 141545795, 198164113, 283091590, 396328226, 990820565, 1981641130]

約数ペア:

[(1, 1981641130), (2, 990820565), (5, 396328226), (7, 283091590), (10, 198164113), (14, 141545795), (23, 86158310), (35, 56618318), (46, 43079155), (70, 28309159), (97, 20429290), (115, 17231662), (161, 12308330), (194, 10214645), (230, 8615831), (322, 6154165), (485, 4085858), (679, 2918470), (805, 2461666), (970, 2042929), (1358, 1459235), (1610, 1230833), (2231, 888230), (3395, 583694), (4462, 444115), (6790, 291847), (11155, 177646), (12689, 156170), (15617, 126890), (22310, 88823), (25378, 78085), (31234, 63445)]