258175998

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1$

素因数の和:655

約数の個数: 80

約数和(自身を含む): 604264320

約数和(自身を除く): 346088322

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 101, 162, 186, 202, 279, 303, 509, 558, 606, 837, 909, 1018, 1527, 1674, 1818, 2511, 2727, 3054, 3131, 4581, 5022, 5454, 6262, 8181, 9162, 9393, 13743, 15779, 16362, 18786, 27486, 28179, 31558, 41229, 47337, 51409, 56358, 82458, 84537, 94674, 102818, 142011, 154227, 169074, 253611, 284022, 308454, 426033, 462681, 507222, 852066, 925362, 1278099, 1388043, 1593679, 2556198, 2776086, 3187358, 4164129, 4781037, 8328258, 9562074, 14343111, 28686222, 43029333, 86058666, 129087999, 258175998]

約数ペア:

[(1, 258175998), (2, 129087999), (3, 86058666), (6, 43029333), (9, 28686222), (18, 14343111), (27, 9562074), (31, 8328258), (54, 4781037), (62, 4164129), (81, 3187358), (93, 2776086), (101, 2556198), (162, 1593679), (186, 1388043), (202, 1278099), (279, 925362), (303, 852066), (509, 507222), (558, 462681), (606, 426033), (837, 308454), (909, 284022), (1018, 253611), (1527, 169074), (1674, 154227), (1818, 142011), (2511, 102818), (2727, 94674), (3054, 84537), (3131, 82458), (4581, 56358), (5022, 51409), (5454, 47337), (6262, 41229), (8181, 31558), (9162, 28179), (9393, 27486), (13743, 18786), (15779, 16362)]