12905707976

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1\times {\mathrm{8539}}^1$

素因数の和:8886

約数の個数: 64

約数和(自身を含む): 28001635200

約数和(自身を除く): 15095927224

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 197, 274, 394, 548, 788, 959, 1096, 1379, 1576, 1918, 2758, 3836, 5516, 7672, 8539, 11032, 17078, 26989, 34156, 53978, 59773, 68312, 107956, 119546, 188923, 215912, 239092, 377846, 478184, 755692, 1169843, 1511384, 1682183, 2339686, 3364366, 4679372, 6728732, 8188901, 9358744, 11775281, 13457464, 16377802, 23550562, 32755604, 47101124, 65511208, 94202248, 230459071, 460918142, 921836284, 1613213497, 1843672568, 3226426994, 6452853988, 12905707976]

約数ペア:

[(1, 12905707976), (2, 6452853988), (4, 3226426994), (7, 1843672568), (8, 1613213497), (14, 921836284), (28, 460918142), (56, 230459071), (137, 94202248), (197, 65511208), (274, 47101124), (394, 32755604), (548, 23550562), (788, 16377802), (959, 13457464), (1096, 11775281), (1379, 9358744), (1576, 8188901), (1918, 6728732), (2758, 4679372), (3836, 3364366), (5516, 2339686), (7672, 1682183), (8539, 1511384), (11032, 1169843), (17078, 755692), (26989, 478184), (34156, 377846), (53978, 239092), (59773, 215912), (68312, 188923), (107956, 119546)]