12997088

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 27871200

約数和(自身を除く): 14874112

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 157, 199, 208, 314, 398, 416, 628, 796, 1256, 1592, 2041, 2512, 2587, 3184, 4082, 5024, 5174, 6368, 8164, 10348, 16328, 20696, 31243, 32656, 41392, 62486, 65312, 82784, 124972, 249944, 406159, 499888, 812318, 999776, 1624636, 3249272, 6498544, 12997088]

約数ペア:

[(1, 12997088), (2, 6498544), (4, 3249272), (8, 1624636), (13, 999776), (16, 812318), (26, 499888), (32, 406159), (52, 249944), (104, 124972), (157, 82784), (199, 65312), (208, 62486), (314, 41392), (398, 32656), (416, 31243), (628, 20696), (796, 16328), (1256, 10348), (1592, 8164), (2041, 6368), (2512, 5174), (2587, 5024), (3184, 4082)]