87988664

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 179773440

約数和(自身を除く): 91784776

約数列:

[1, 2, 4, 8, 31, 37, 43, 62, 74, 86, 124, 148, 172, 223, 248, 296, 344, 446, 892, 1147, 1333, 1591, 1784, 2294, 2666, 3182, 4588, 5332, 6364, 6913, 8251, 9176, 9589, 10664, 12728, 13826, 16502, 19178, 27652, 33004, 38356, 49321, 55304, 66008, 76712, 98642, 197284, 255781, 297259, 354793, 394568, 511562, 594518, 709586, 1023124, 1189036, 1419172, 2046248, 2378072, 2838344, 10998583, 21997166, 43994332, 87988664]

約数ペア:

[(1, 87988664), (2, 43994332), (4, 21997166), (8, 10998583), (31, 2838344), (37, 2378072), (43, 2046248), (62, 1419172), (74, 1189036), (86, 1023124), (124, 709586), (148, 594518), (172, 511562), (223, 394568), (248, 354793), (296, 297259), (344, 255781), (446, 197284), (892, 98642), (1147, 76712), (1333, 66008), (1591, 55304), (1784, 49321), (2294, 38356), (2666, 33004), (3182, 27652), (4588, 19178), (5332, 16502), (6364, 13826), (6913, 12728), (8251, 10664), (9176, 9589)]