2581450638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1\times {\mathrm{1609}}^1$

素因数の和:2001

約数の個数: 64

約数和(自身を含む): 5664933120

約数和(自身を除く): 3083482482

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 307, 402, 614, 871, 921, 1609, 1742, 1842, 2613, 3218, 3991, 4827, 5226, 7982, 9654, 11973, 20569, 20917, 23946, 41138, 41834, 61707, 62751, 107803, 123414, 125502, 215606, 267397, 323409, 493963, 534794, 646818, 802191, 987926, 1401439, 1481889, 1604382, 2802878, 2963778, 4204317, 6421519, 8408634, 12843038, 19264557, 33095521, 38529114, 66191042, 99286563, 198573126, 430241773, 860483546, 1290725319, 2581450638]

約数ペア:

[(1, 2581450638), (2, 1290725319), (3, 860483546), (6, 430241773), (13, 198573126), (26, 99286563), (39, 66191042), (67, 38529114), (78, 33095521), (134, 19264557), (201, 12843038), (307, 8408634), (402, 6421519), (614, 4204317), (871, 2963778), (921, 2802878), (1609, 1604382), (1742, 1481889), (1842, 1401439), (2613, 987926), (3218, 802191), (3991, 646818), (4827, 534794), (5226, 493963), (7982, 323409), (9654, 267397), (11973, 215606), (20569, 125502), (20917, 123414), (23946, 107803), (41138, 62751), (41834, 61707)]