25278778

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{113}}^1$

素因数の和:199

約数の個数: 48

約数和(自身を含む): 47661120

約数和(自身を除く): 22382342

約数列:

[1, 2, 7, 14, 19, 29, 38, 58, 113, 133, 203, 226, 266, 406, 551, 791, 841, 1102, 1582, 1682, 2147, 3277, 3857, 4294, 5887, 6554, 7714, 11774, 15029, 15979, 22939, 30058, 31958, 45878, 62263, 95033, 111853, 124526, 190066, 223706, 435841, 665231, 871682, 1330462, 1805627, 3611254, 12639389, 25278778]

約数ペア:

[(1, 25278778), (2, 12639389), (7, 3611254), (14, 1805627), (19, 1330462), (29, 871682), (38, 665231), (58, 435841), (113, 223706), (133, 190066), (203, 124526), (226, 111853), (266, 95033), (406, 62263), (551, 45878), (791, 31958), (841, 30058), (1102, 22939), (1582, 15979), (1682, 15029), (2147, 11774), (3277, 7714), (3857, 6554), (4294, 5887)]