2018568279

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:657

約数の個数: 72

約数和(自身を含む): 3415860432

約数和(自身を除く): 1397292153

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 169, 193, 273, 421, 507, 579, 637, 1183, 1263, 1351, 1911, 2509, 2947, 3549, 4053, 5473, 7527, 8281, 8841, 9457, 16419, 17563, 20629, 24843, 28371, 32617, 38311, 52689, 61887, 71149, 81253, 97851, 114933, 122941, 213447, 228319, 243759, 268177, 368823, 498043, 568771, 684957, 804531, 1056289, 1494129, 1598233, 1706313, 3168867, 3486301, 3981397, 4794699, 7394023, 10458903, 11944191, 13731757, 22182069, 41195271, 51758161, 96122299, 155274483, 288366897, 672856093, 2018568279]

約数ペア:

[(1, 2018568279), (3, 672856093), (7, 288366897), (13, 155274483), (21, 96122299), (39, 51758161), (49, 41195271), (91, 22182069), (147, 13731757), (169, 11944191), (193, 10458903), (273, 7394023), (421, 4794699), (507, 3981397), (579, 3486301), (637, 3168867), (1183, 1706313), (1263, 1598233), (1351, 1494129), (1911, 1056289), (2509, 804531), (2947, 684957), (3549, 568771), (4053, 498043), (5473, 368823), (7527, 268177), (8281, 243759), (8841, 228319), (9457, 213447), (16419, 122941), (17563, 114933), (20629, 97851), (24843, 81253), (28371, 71149), (32617, 61887), (38311, 52689)]