1388977564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1\times {\mathrm{1399}}^1$

素因数の和:1790

約数の個数: 48

約数和(自身を含む): 2671009600

約数和(自身を除く): 1282032036

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 313, 626, 793, 1252, 1399, 1586, 2798, 3172, 4069, 5596, 8138, 16276, 18187, 19093, 36374, 38186, 72748, 76372, 85339, 170678, 248209, 341356, 437887, 496418, 875774, 992836, 1109407, 1751548, 2218814, 4437628, 5692531, 11385062, 22770124, 26711107, 53422214, 106844428, 347244391, 694488782, 1388977564]

約数ペア:

[(1, 1388977564), (2, 694488782), (4, 347244391), (13, 106844428), (26, 53422214), (52, 26711107), (61, 22770124), (122, 11385062), (244, 5692531), (313, 4437628), (626, 2218814), (793, 1751548), (1252, 1109407), (1399, 992836), (1586, 875774), (2798, 496418), (3172, 437887), (4069, 341356), (5596, 248209), (8138, 170678), (16276, 85339), (18187, 76372), (19093, 72748), (36374, 38186)]