2158530815

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 3187430400

約数和(自身を除く): 1028899585

約数列:

[1, 5, 7, 19, 35, 95, 97, 109, 133, 307, 485, 545, 665, 679, 763, 1535, 1843, 2071, 2149, 3395, 3815, 5833, 9215, 10355, 10573, 10745, 12901, 14497, 29165, 29779, 33463, 40831, 52865, 64505, 72485, 74011, 148895, 167315, 200887, 204155, 208453, 234241, 370055, 565801, 635797, 1004435, 1042265, 1171205, 1406209, 2829005, 3178985, 3245911, 3960607, 4450579, 7031045, 16229555, 19803035, 22252895, 22721377, 61672309, 113606885, 308361545, 431706163, 2158530815]

約数ペア:

[(1, 2158530815), (5, 431706163), (7, 308361545), (19, 113606885), (35, 61672309), (95, 22721377), (97, 22252895), (109, 19803035), (133, 16229555), (307, 7031045), (485, 4450579), (545, 3960607), (665, 3245911), (679, 3178985), (763, 2829005), (1535, 1406209), (1843, 1171205), (2071, 1042265), (2149, 1004435), (3395, 635797), (3815, 565801), (5833, 370055), (9215, 234241), (10355, 208453), (10573, 204155), (10745, 200887), (12901, 167315), (14497, 148895), (29165, 74011), (29779, 72485), (33463, 64505), (40831, 52865)]