1869883925

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{20047}}^1$

素因数の和:20118

約数の個数: 48

約数和(自身を含む): 2923479552

約数和(自身を除く): 1053595627

約数列:

[1, 5, 7, 13, 25, 35, 41, 65, 91, 175, 205, 287, 325, 455, 533, 1025, 1435, 2275, 2665, 3731, 7175, 13325, 18655, 20047, 93275, 100235, 140329, 260611, 501175, 701645, 821927, 1303055, 1824277, 3508225, 4109635, 5753489, 6515275, 9121385, 10685051, 20548175, 28767445, 45606925, 53425255, 74795357, 143837225, 267126275, 373976785, 1869883925]

約数ペア:

[(1, 1869883925), (5, 373976785), (7, 267126275), (13, 143837225), (25, 74795357), (35, 53425255), (41, 45606925), (65, 28767445), (91, 20548175), (175, 10685051), (205, 9121385), (287, 6515275), (325, 5753489), (455, 4109635), (533, 3508225), (1025, 1824277), (1435, 1303055), (2275, 821927), (2665, 701645), (3731, 501175), (7175, 260611), (13325, 140329), (18655, 100235), (20047, 93275)]