9271990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 21482496

約数和(自身を除く): 12210506

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 26, 35, 46, 65, 70, 91, 115, 130, 161, 182, 230, 299, 322, 443, 455, 598, 805, 886, 910, 1495, 1610, 2093, 2215, 2990, 3101, 4186, 4430, 5759, 6202, 10189, 10465, 11518, 15505, 20378, 20930, 28795, 31010, 40313, 50945, 57590, 71323, 80626, 101890, 132457, 142646, 201565, 264914, 356615, 403130, 662285, 713230, 927199, 1324570, 1854398, 4635995, 9271990]

約数ペア:

[(1, 9271990), (2, 4635995), (5, 1854398), (7, 1324570), (10, 927199), (13, 713230), (14, 662285), (23, 403130), (26, 356615), (35, 264914), (46, 201565), (65, 142646), (70, 132457), (91, 101890), (115, 80626), (130, 71323), (161, 57590), (182, 50945), (230, 40313), (299, 31010), (322, 28795), (443, 20930), (455, 20378), (598, 15505), (805, 11518), (886, 10465), (910, 10189), (1495, 6202), (1610, 5759), (2093, 4430), (2215, 4186), (2990, 3101)]