889284088

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{20333}}^1$

素因数の和:20428

約数の個数: 64

約数和(自身を含む): 2108229120

約数和(自身を除く): 1218945032

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 71, 77, 88, 142, 154, 284, 308, 497, 568, 616, 781, 994, 1562, 1988, 3124, 3976, 5467, 6248, 10934, 20333, 21868, 40666, 43736, 81332, 142331, 162664, 223663, 284662, 447326, 569324, 894652, 1138648, 1443643, 1565641, 1789304, 2887286, 3131282, 5774572, 6262564, 10105501, 11549144, 12525128, 15880073, 20211002, 31760146, 40422004, 63520292, 80844008, 111160511, 127040584, 222321022, 444642044, 889284088]

約数ペア:

[(1, 889284088), (2, 444642044), (4, 222321022), (7, 127040584), (8, 111160511), (11, 80844008), (14, 63520292), (22, 40422004), (28, 31760146), (44, 20211002), (56, 15880073), (71, 12525128), (77, 11549144), (88, 10105501), (142, 6262564), (154, 5774572), (284, 3131282), (308, 2887286), (497, 1789304), (568, 1565641), (616, 1443643), (781, 1138648), (994, 894652), (1562, 569324), (1988, 447326), (3124, 284662), (3976, 223663), (5467, 162664), (6248, 142331), (10934, 81332), (20333, 43736), (21868, 40666)]