28185087268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{28463}}^1$

素因数の和:28756

約数の個数: 48

約数和(自身を含む): 53892599040

約数和(自身を除く): 25707511772

約数列:

[1, 2, 4, 13, 26, 52, 137, 139, 274, 278, 548, 556, 1781, 1807, 3562, 3614, 7124, 7228, 19043, 28463, 38086, 56926, 76172, 113852, 247559, 370019, 495118, 740038, 990236, 1480076, 3899431, 3956357, 7798862, 7912714, 15597724, 15825428, 50692603, 51432641, 101385206, 102865282, 202770412, 205730564, 542020909, 1084041818, 2168083636, 7046271817, 14092543634, 28185087268]

約数ペア:

[(1, 28185087268), (2, 14092543634), (4, 7046271817), (13, 2168083636), (26, 1084041818), (52, 542020909), (137, 205730564), (139, 202770412), (274, 102865282), (278, 101385206), (548, 51432641), (556, 50692603), (1781, 15825428), (1807, 15597724), (3562, 7912714), (3614, 7798862), (7124, 3956357), (7228, 3899431), (19043, 1480076), (28463, 990236), (38086, 740038), (56926, 495118), (76172, 370019), (113852, 247559)]