161566288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{1231}}^1$

素因数の和:1883

約数の個数: 40

約数和(自身を含む): 337922816

約数和(自身を除く): 176356528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 631, 1231, 1262, 2462, 2524, 4924, 5048, 8203, 9848, 10096, 16003, 16406, 19696, 32006, 32812, 64012, 65624, 128024, 131248, 256048, 776761, 1553522, 3107044, 6214088, 10097893, 12428176, 20195786, 40391572, 80783144, 161566288]

約数ペア:

[(1, 161566288), (2, 80783144), (4, 40391572), (8, 20195786), (13, 12428176), (16, 10097893), (26, 6214088), (52, 3107044), (104, 1553522), (208, 776761), (631, 256048), (1231, 131248), (1262, 128024), (2462, 65624), (2524, 64012), (4924, 32812), (5048, 32006), (8203, 19696), (9848, 16406), (10096, 16003)]