661391496

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{399391}}^1$

素因数の和:399426

約数の個数: 48

約数和(自身を含む): 1869154560

約数和(自身を除く): 1207763064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 399391, 798782, 1198173, 1597564, 2396346, 3195128, 3594519, 4792692, 7189038, 9185993, 9585384, 14378076, 18371986, 27557979, 28756152, 36743972, 55115958, 73487944, 82673937, 110231916, 165347874, 220463832, 330695748, 661391496]

約数ペア:

[(1, 661391496), (2, 330695748), (3, 220463832), (4, 165347874), (6, 110231916), (8, 82673937), (9, 73487944), (12, 55115958), (18, 36743972), (23, 28756152), (24, 27557979), (36, 18371986), (46, 14378076), (69, 9585384), (72, 9185993), (92, 7189038), (138, 4792692), (184, 3594519), (207, 3195128), (276, 2396346), (414, 1597564), (552, 1198173), (828, 798782), (1656, 399391)]