2912987128

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{38873}}^1$

素因数の和:38944

約数の個数: 64

約数和(自身を含む): 6297588000

約数和(自身を除く): 3384600872

約数列:

[1, 2, 4, 8, 17, 19, 29, 34, 38, 58, 68, 76, 116, 136, 152, 232, 323, 493, 551, 646, 986, 1102, 1292, 1972, 2204, 2584, 3944, 4408, 9367, 18734, 37468, 38873, 74936, 77746, 155492, 310984, 660841, 738587, 1127317, 1321682, 1477174, 2254634, 2643364, 2954348, 4509268, 5286728, 5908696, 9018536, 12555979, 19164389, 21419023, 25111958, 38328778, 42838046, 50223916, 76657556, 85676092, 100447832, 153315112, 171352184, 364123391, 728246782, 1456493564, 2912987128]

約数ペア:

[(1, 2912987128), (2, 1456493564), (4, 728246782), (8, 364123391), (17, 171352184), (19, 153315112), (29, 100447832), (34, 85676092), (38, 76657556), (58, 50223916), (68, 42838046), (76, 38328778), (116, 25111958), (136, 21419023), (152, 19164389), (232, 12555979), (323, 9018536), (493, 5908696), (551, 5286728), (646, 4509268), (986, 2954348), (1102, 2643364), (1292, 2254634), (1972, 1477174), (2204, 1321682), (2584, 1127317), (3944, 738587), (4408, 660841), (9367, 310984), (18734, 155492), (37468, 77746), (38873, 74936)]