401084994

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:591

約数の個数: 64

約数和(自身を含む): 863115264

約数和(自身を除く): 462030270

約数列:

[1, 2, 3, 6, 23, 43, 46, 69, 86, 129, 138, 257, 258, 263, 514, 526, 771, 789, 989, 1542, 1578, 1978, 2967, 5911, 5934, 6049, 11051, 11309, 11822, 12098, 17733, 18147, 22102, 22618, 33153, 33927, 35466, 36294, 66306, 67591, 67854, 135182, 202773, 254173, 260107, 405546, 508346, 520214, 762519, 780321, 1525038, 1554593, 1560642, 2906413, 3109186, 4663779, 5812826, 8719239, 9327558, 17438478, 66847499, 133694998, 200542497, 401084994]

約数ペア:

[(1, 401084994), (2, 200542497), (3, 133694998), (6, 66847499), (23, 17438478), (43, 9327558), (46, 8719239), (69, 5812826), (86, 4663779), (129, 3109186), (138, 2906413), (257, 1560642), (258, 1554593), (263, 1525038), (514, 780321), (526, 762519), (771, 520214), (789, 508346), (989, 405546), (1542, 260107), (1578, 254173), (1978, 202773), (2967, 135182), (5911, 67854), (5934, 67591), (6049, 66306), (11051, 36294), (11309, 35466), (11822, 33927), (12098, 33153), (17733, 22618), (18147, 22102)]