978178964

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{419}}^1$

素因数の和:757

約数の個数: 72

約数和(自身を含む): 2049838560

約数和(自身を除く): 1071659596

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 277, 301, 419, 554, 602, 838, 1108, 1204, 1676, 1939, 2107, 2933, 3878, 4214, 5866, 7756, 8428, 11732, 11911, 13573, 18017, 20531, 23822, 27146, 36034, 41062, 47644, 54292, 72068, 82124, 83377, 116063, 126119, 166754, 232126, 252238, 333508, 464252, 504476, 583639, 812441, 882833, 1167278, 1624882, 1765666, 2334556, 3249764, 3531332, 4990709, 5687087, 9981418, 11374174, 19962836, 22748348, 34934963, 69869926, 139739852, 244544741, 489089482, 978178964]

約数ペア:

[(1, 978178964), (2, 489089482), (4, 244544741), (7, 139739852), (14, 69869926), (28, 34934963), (43, 22748348), (49, 19962836), (86, 11374174), (98, 9981418), (172, 5687087), (196, 4990709), (277, 3531332), (301, 3249764), (419, 2334556), (554, 1765666), (602, 1624882), (838, 1167278), (1108, 882833), (1204, 812441), (1676, 583639), (1939, 504476), (2107, 464252), (2933, 333508), (3878, 252238), (4214, 232126), (5866, 166754), (7756, 126119), (8428, 116063), (11732, 83377), (11911, 82124), (13573, 72068), (18017, 54292), (20531, 47644), (23822, 41062), (27146, 36034)]