81861528

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{28663}}^1$

素因数の和:28696

約数の個数: 64

約数和(自身を含む): 247656960

約数和(自身を除く): 165795432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 119, 136, 168, 204, 238, 357, 408, 476, 714, 952, 1428, 2856, 28663, 57326, 85989, 114652, 171978, 200641, 229304, 343956, 401282, 487271, 601923, 687912, 802564, 974542, 1203846, 1461813, 1605128, 1949084, 2407692, 2923626, 3410897, 3898168, 4815384, 5847252, 6821794, 10232691, 11694504, 13643588, 20465382, 27287176, 40930764, 81861528]

約数ペア:

[(1, 81861528), (2, 40930764), (3, 27287176), (4, 20465382), (6, 13643588), (7, 11694504), (8, 10232691), (12, 6821794), (14, 5847252), (17, 4815384), (21, 3898168), (24, 3410897), (28, 2923626), (34, 2407692), (42, 1949084), (51, 1605128), (56, 1461813), (68, 1203846), (84, 974542), (102, 802564), (119, 687912), (136, 601923), (168, 487271), (204, 401282), (238, 343956), (357, 229304), (408, 200641), (476, 171978), (714, 114652), (952, 85989), (1428, 57326), (2856, 28663)]