1991504536

素因数分解:

$2^3\times 7^1\times {\mathrm{1709}}^1\times {\mathrm{20809}}^1$

素因数の和:22531

約数の個数: 32

約数和(自身を含む): 4270212000

約数和(自身を除く): 2278707464

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1709, 3418, 6836, 11963, 13672, 20809, 23926, 41618, 47852, 83236, 95704, 145663, 166472, 291326, 582652, 1165304, 35562581, 71125162, 142250324, 248938067, 284500648, 497876134, 995752268, 1991504536]

約数ペア:

[(1, 1991504536), (2, 995752268), (4, 497876134), (7, 284500648), (8, 248938067), (14, 142250324), (28, 71125162), (56, 35562581), (1709, 1165304), (3418, 582652), (6836, 291326), (11963, 166472), (13672, 145663), (20809, 95704), (23926, 83236), (41618, 47852)]