2008128668

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{563}}^1$

素因数の和:867

約数の個数: 96

約数和(自身を含む): 4457134080

約数和(自身を除く): 2449005412

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 52, 82, 91, 164, 182, 239, 287, 364, 478, 533, 563, 574, 956, 1066, 1126, 1148, 1673, 2132, 2252, 3107, 3346, 3731, 3941, 6214, 6692, 7319, 7462, 7882, 9799, 12428, 14638, 14924, 15764, 19598, 21749, 23083, 29276, 39196, 43498, 46166, 51233, 68593, 86996, 92332, 102466, 127387, 134557, 137186, 161581, 204932, 254774, 269114, 274372, 300079, 323162, 509548, 538228, 600158, 646324, 891709, 941899, 1200316, 1749241, 1783418, 1883798, 2100553, 3498482, 3566836, 3767596, 4201106, 5516837, 6996964, 8402212, 11033674, 12244687, 22067348, 24489374, 38617859, 48978748, 71718881, 77235718, 143437762, 154471436, 286875524, 502032167, 1004064334, 2008128668]

約数ペア:

[(1, 2008128668), (2, 1004064334), (4, 502032167), (7, 286875524), (13, 154471436), (14, 143437762), (26, 77235718), (28, 71718881), (41, 48978748), (52, 38617859), (82, 24489374), (91, 22067348), (164, 12244687), (182, 11033674), (239, 8402212), (287, 6996964), (364, 5516837), (478, 4201106), (533, 3767596), (563, 3566836), (574, 3498482), (956, 2100553), (1066, 1883798), (1126, 1783418), (1148, 1749241), (1673, 1200316), (2132, 941899), (2252, 891709), (3107, 646324), (3346, 600158), (3731, 538228), (3941, 509548), (6214, 323162), (6692, 300079), (7319, 274372), (7462, 269114), (7882, 254774), (9799, 204932), (12428, 161581), (14638, 137186), (14924, 134557), (15764, 127387), (19598, 102466), (21749, 92332), (23083, 86996), (29276, 68593), (39196, 51233), (43498, 46166)]