1391569210

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{20929}}^1$

素因数の和:21106

約数の個数: 32

約数和(自身を含む): 2569366800

約数和(自身を除く): 1177797590

約数列:

[1, 2, 5, 10, 61, 109, 122, 218, 305, 545, 610, 1090, 6649, 13298, 20929, 33245, 41858, 66490, 104645, 209290, 1276669, 2281261, 2553338, 4562522, 6383345, 11406305, 12766690, 22812610, 139156921, 278313842, 695784605, 1391569210]

約数ペア:

[(1, 1391569210), (2, 695784605), (5, 278313842), (10, 139156921), (61, 22812610), (109, 12766690), (122, 11406305), (218, 6383345), (305, 4562522), (545, 2553338), (610, 2281261), (1090, 1276669), (6649, 209290), (13298, 104645), (20929, 66490), (33245, 41858)]