87921470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1223}}^1$

素因数の和:1329

約数の個数: 64

約数和(自身を含む): 197406720

約数和(自身を除く): 109485250

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 79, 91, 130, 158, 182, 395, 455, 553, 790, 910, 1027, 1106, 1223, 2054, 2446, 2765, 5135, 5530, 6115, 7189, 8561, 10270, 12230, 14378, 15899, 17122, 31798, 35945, 42805, 71890, 79495, 85610, 96617, 111293, 158990, 193234, 222586, 483085, 556465, 676319, 966170, 1112930, 1256021, 1352638, 2512042, 3381595, 6280105, 6763190, 8792147, 12560210, 17584294, 43960735, 87921470]

約数ペア:

[(1, 87921470), (2, 43960735), (5, 17584294), (7, 12560210), (10, 8792147), (13, 6763190), (14, 6280105), (26, 3381595), (35, 2512042), (65, 1352638), (70, 1256021), (79, 1112930), (91, 966170), (130, 676319), (158, 556465), (182, 483085), (395, 222586), (455, 193234), (553, 158990), (790, 111293), (910, 96617), (1027, 85610), (1106, 79495), (1223, 71890), (2054, 42805), (2446, 35945), (2765, 31798), (5135, 17122), (5530, 15899), (6115, 14378), (7189, 12230), (8561, 10270)]