81391656

素因数分解:

$2^3\times 3^1\times {\mathrm{173}}^1\times {\mathrm{19603}}^1$

素因数の和:19785

約数の個数: 32

約数和(自身を含む): 204665760

約数和(自身を除く): 123274104

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 173, 346, 519, 692, 1038, 1384, 2076, 4152, 19603, 39206, 58809, 78412, 117618, 156824, 235236, 470472, 3391319, 6782638, 10173957, 13565276, 20347914, 27130552, 40695828, 81391656]

約数ペア:

[(1, 81391656), (2, 40695828), (3, 27130552), (4, 20347914), (6, 13565276), (8, 10173957), (12, 6782638), (24, 3391319), (173, 470472), (346, 235236), (519, 156824), (692, 117618), (1038, 78412), (1384, 58809), (2076, 39206), (4152, 19603)]