661590488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{9049}}^1$

素因数の和:9124

約数の個数: 64

約数和(自身を含む): 1444380000

約数和(自身を除く): 782789512

約数列:

[1, 2, 4, 8, 13, 19, 26, 37, 38, 52, 74, 76, 104, 148, 152, 247, 296, 481, 494, 703, 962, 988, 1406, 1924, 1976, 2812, 3848, 5624, 9049, 9139, 18098, 18278, 36196, 36556, 72392, 73112, 117637, 171931, 235274, 334813, 343862, 470548, 669626, 687724, 941096, 1339252, 1375448, 2235103, 2678504, 4352569, 4470206, 6361447, 8705138, 8940412, 12722894, 17410276, 17880824, 25445788, 34820552, 50891576, 82698811, 165397622, 330795244, 661590488]

約数ペア:

[(1, 661590488), (2, 330795244), (4, 165397622), (8, 82698811), (13, 50891576), (19, 34820552), (26, 25445788), (37, 17880824), (38, 17410276), (52, 12722894), (74, 8940412), (76, 8705138), (104, 6361447), (148, 4470206), (152, 4352569), (247, 2678504), (296, 2235103), (481, 1375448), (494, 1339252), (703, 941096), (962, 687724), (988, 669626), (1406, 470548), (1924, 343862), (1976, 334813), (2812, 235274), (3848, 171931), (5624, 117637), (9049, 73112), (9139, 72392), (18098, 36556), (18278, 36196)]