28078236472

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{663349}}^1$

素因数の和:663416

約数の個数: 64

約数和(自身を含む): 63522396000

約数和(自身を除く): 35444159528

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 37, 44, 52, 74, 88, 104, 143, 148, 286, 296, 407, 481, 572, 814, 962, 1144, 1628, 1924, 3256, 3848, 5291, 10582, 21164, 42328, 663349, 1326698, 2653396, 5306792, 7296839, 8623537, 14593678, 17247074, 24543913, 29187356, 34494148, 49087826, 58374712, 68988296, 94858907, 98175652, 189717814, 196351304, 269983043, 319070869, 379435628, 539966086, 638141738, 758871256, 1079932172, 1276283476, 2159864344, 2552566952, 3509779559, 7019559118, 14039118236, 28078236472]

約数ペア:

[(1, 28078236472), (2, 14039118236), (4, 7019559118), (8, 3509779559), (11, 2552566952), (13, 2159864344), (22, 1276283476), (26, 1079932172), (37, 758871256), (44, 638141738), (52, 539966086), (74, 379435628), (88, 319070869), (104, 269983043), (143, 196351304), (148, 189717814), (286, 98175652), (296, 94858907), (407, 68988296), (481, 58374712), (572, 49087826), (814, 34494148), (962, 29187356), (1144, 24543913), (1628, 17247074), (1924, 14593678), (3256, 8623537), (3848, 7296839), (5291, 5306792), (10582, 2653396), (21164, 1326698), (42328, 663349)]