638584788

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{5657}}^1$

素因数の和:6096

約数の個数: 48

約数和(自身を含む): 1558892160

約数和(自身を除く): 920307372

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 409, 818, 1227, 1636, 2454, 4908, 5657, 9407, 11314, 16971, 18814, 22628, 28221, 33942, 37628, 56442, 67884, 112884, 130111, 260222, 390333, 520444, 780666, 1561332, 2313713, 4627426, 6941139, 9254852, 13882278, 27764556, 53215399, 106430798, 159646197, 212861596, 319292394, 638584788]

約数ペア:

[(1, 638584788), (2, 319292394), (3, 212861596), (4, 159646197), (6, 106430798), (12, 53215399), (23, 27764556), (46, 13882278), (69, 9254852), (92, 6941139), (138, 4627426), (276, 2313713), (409, 1561332), (818, 780666), (1227, 520444), (1636, 390333), (2454, 260222), (4908, 130111), (5657, 112884), (9407, 67884), (11314, 56442), (16971, 37628), (18814, 33942), (22628, 28221)]