28975722

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 65387520

約数和(自身を除く): 36411798

約数列:

[1, 2, 3, 6, 19, 23, 38, 43, 46, 57, 69, 86, 114, 129, 138, 257, 258, 437, 514, 771, 817, 874, 989, 1311, 1542, 1634, 1978, 2451, 2622, 2967, 4883, 4902, 5911, 5934, 9766, 11051, 11822, 14649, 17733, 18791, 22102, 29298, 33153, 35466, 37582, 56373, 66306, 112309, 112746, 209969, 224618, 254173, 336927, 419938, 508346, 629907, 673854, 762519, 1259814, 1525038, 4829287, 9658574, 14487861, 28975722]

約数ペア:

[(1, 28975722), (2, 14487861), (3, 9658574), (6, 4829287), (19, 1525038), (23, 1259814), (38, 762519), (43, 673854), (46, 629907), (57, 508346), (69, 419938), (86, 336927), (114, 254173), (129, 224618), (138, 209969), (257, 112746), (258, 112309), (437, 66306), (514, 56373), (771, 37582), (817, 35466), (874, 33153), (989, 29298), (1311, 22102), (1542, 18791), (1634, 17733), (1978, 14649), (2451, 11822), (2622, 11051), (2967, 9766), (4883, 5934), (4902, 5911)]