90386478

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7883}}^1$

素因数の和:7918

約数の個数: 72

約数和(自身を含む): 245365848

約数和(自身を除く): 154979370

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 234, 273, 294, 441, 546, 637, 819, 882, 1274, 1638, 1911, 3822, 5733, 7883, 11466, 15766, 23649, 47298, 55181, 70947, 102479, 110362, 141894, 165543, 204958, 307437, 331086, 386267, 496629, 614874, 717353, 772534, 922311, 993258, 1158801, 1434706, 1844622, 2152059, 2317602, 3476403, 4304118, 5021471, 6456177, 6952806, 10042942, 12912354, 15064413, 30128826, 45193239, 90386478]

約数ペア:

[(1, 90386478), (2, 45193239), (3, 30128826), (6, 15064413), (7, 12912354), (9, 10042942), (13, 6952806), (14, 6456177), (18, 5021471), (21, 4304118), (26, 3476403), (39, 2317602), (42, 2152059), (49, 1844622), (63, 1434706), (78, 1158801), (91, 993258), (98, 922311), (117, 772534), (126, 717353), (147, 614874), (182, 496629), (234, 386267), (273, 331086), (294, 307437), (441, 204958), (546, 165543), (637, 141894), (819, 110362), (882, 102479), (1274, 70947), (1638, 55181), (1911, 47298), (3822, 23649), (5733, 15766), (7883, 11466)]