389905132

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{401}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 737493120

約数和(自身を除く): 347587988

約数列:

[1, 2, 4, 17, 34, 68, 79, 158, 181, 316, 362, 401, 724, 802, 1343, 1604, 2686, 3077, 5372, 6154, 6817, 12308, 13634, 14299, 27268, 28598, 31679, 57196, 63358, 72581, 126716, 145162, 243083, 290324, 486166, 538543, 972332, 1077086, 1233877, 2154172, 2467754, 4935508, 5733899, 11467798, 22935596, 97476283, 194952566, 389905132]

約数ペア:

[(1, 389905132), (2, 194952566), (4, 97476283), (17, 22935596), (34, 11467798), (68, 5733899), (79, 4935508), (158, 2467754), (181, 2154172), (316, 1233877), (362, 1077086), (401, 972332), (724, 538543), (802, 486166), (1343, 290324), (1604, 243083), (2686, 145162), (3077, 126716), (5372, 72581), (6154, 63358), (6817, 57196), (12308, 31679), (13634, 28598), (14299, 27268)]