820895556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{89189}}^1$

素因数の和:89268

約数の個数: 48

約数和(自身を含む): 2097748800

約数和(自身を除く): 1276853244

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 59, 78, 118, 156, 177, 236, 354, 708, 767, 1534, 2301, 3068, 4602, 9204, 89189, 178378, 267567, 356756, 535134, 1070268, 1159457, 2318914, 3478371, 4637828, 5262151, 6956742, 10524302, 13913484, 15786453, 21048604, 31572906, 63145812, 68407963, 136815926, 205223889, 273631852, 410447778, 820895556]

約数ペア:

[(1, 820895556), (2, 410447778), (3, 273631852), (4, 205223889), (6, 136815926), (12, 68407963), (13, 63145812), (26, 31572906), (39, 21048604), (52, 15786453), (59, 13913484), (78, 10524302), (118, 6956742), (156, 5262151), (177, 4637828), (236, 3478371), (354, 2318914), (708, 1159457), (767, 1070268), (1534, 535134), (2301, 356756), (3068, 267567), (4602, 178378), (9204, 89189)]