2615721485

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1\times {\mathrm{1999}}^1$

素因数の和:2549

約数の個数: 32

約数和(自身を含む): 3471552000

約数和(自身を除く): 855830515

約数列:

[1, 5, 13, 41, 65, 205, 491, 533, 1999, 2455, 2665, 6383, 9995, 20131, 25987, 31915, 81959, 100655, 129935, 261703, 409795, 981509, 1065467, 1308515, 4907545, 5327335, 12759617, 40241869, 63798085, 201209345, 523144297, 2615721485]

約数ペア:

[(1, 2615721485), (5, 523144297), (13, 201209345), (41, 63798085), (65, 40241869), (205, 12759617), (491, 5327335), (533, 4907545), (1999, 1308515), (2455, 1065467), (2665, 981509), (6383, 409795), (9995, 261703), (20131, 129935), (25987, 100655), (31915, 81959)]