8581664

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:458

約数の個数: 72

約数和(自身を含む): 21215628

約数和(自身を除く): 12633964

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 421, 637, 728, 784, 842, 1274, 1456, 1568, 1684, 2548, 2912, 2947, 3368, 5096, 5473, 5894, 6736, 10192, 10946, 11788, 13472, 20384, 20629, 21892, 23576, 38311, 41258, 43784, 47152, 76622, 82516, 87568, 94304, 153244, 165032, 175136, 268177, 306488, 330064, 536354, 612976, 660128, 1072708, 1225952, 2145416, 4290832, 8581664]

約数ペア:

[(1, 8581664), (2, 4290832), (4, 2145416), (7, 1225952), (8, 1072708), (13, 660128), (14, 612976), (16, 536354), (26, 330064), (28, 306488), (32, 268177), (49, 175136), (52, 165032), (56, 153244), (91, 94304), (98, 87568), (104, 82516), (112, 76622), (182, 47152), (196, 43784), (208, 41258), (224, 38311), (364, 23576), (392, 21892), (416, 20629), (421, 20384), (637, 13472), (728, 11788), (784, 10946), (842, 10192), (1274, 6736), (1456, 5894), (1568, 5473), (1684, 5096), (2548, 3368), (2912, 2947)]