13457990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:693

約数の個数: 64

約数和(自身を含む): 31159296

約数和(自身を除く): 17701306

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 26, 35, 46, 65, 70, 91, 115, 130, 161, 182, 230, 299, 322, 455, 598, 643, 805, 910, 1286, 1495, 1610, 2093, 2990, 3215, 4186, 4501, 6430, 8359, 9002, 10465, 14789, 16718, 20930, 22505, 29578, 41795, 45010, 58513, 73945, 83590, 103523, 117026, 147890, 192257, 207046, 292565, 384514, 517615, 585130, 961285, 1035230, 1345799, 1922570, 2691598, 6728995, 13457990]

約数ペア:

[(1, 13457990), (2, 6728995), (5, 2691598), (7, 1922570), (10, 1345799), (13, 1035230), (14, 961285), (23, 585130), (26, 517615), (35, 384514), (46, 292565), (65, 207046), (70, 192257), (91, 147890), (115, 117026), (130, 103523), (161, 83590), (182, 73945), (230, 58513), (299, 45010), (322, 41795), (455, 29578), (598, 22505), (643, 20930), (805, 16718), (910, 14789), (1286, 10465), (1495, 9002), (1610, 8359), (2093, 6430), (2990, 4501), (3215, 4186)]