1309936

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:197

約数の個数: 40

約数和(自身を含む): 2777600

約数和(自身を除く): 1467664

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 139, 152, 248, 278, 304, 496, 556, 589, 1112, 1178, 2224, 2356, 2641, 4309, 4712, 5282, 8618, 9424, 10564, 17236, 21128, 34472, 42256, 68944, 81871, 163742, 327484, 654968, 1309936]

約数ペア:

[(1, 1309936), (2, 654968), (4, 327484), (8, 163742), (16, 81871), (19, 68944), (31, 42256), (38, 34472), (62, 21128), (76, 17236), (124, 10564), (139, 9424), (152, 8618), (248, 5282), (278, 4712), (304, 4309), (496, 2641), (556, 2356), (589, 2224), (1112, 1178)]