15317968

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:475

約数の個数: 40

約数和(自身を含む): 31069440

約数和(自身を除く): 15751472

約数列:

[1, 2, 4, 8, 16, 31, 62, 89, 124, 178, 248, 347, 356, 496, 694, 712, 1388, 1424, 2759, 2776, 5518, 5552, 10757, 11036, 21514, 22072, 30883, 43028, 44144, 61766, 86056, 123532, 172112, 247064, 494128, 957373, 1914746, 3829492, 7658984, 15317968]

約数ペア:

[(1, 15317968), (2, 7658984), (4, 3829492), (8, 1914746), (16, 957373), (31, 494128), (62, 247064), (89, 172112), (124, 123532), (178, 86056), (248, 61766), (347, 44144), (356, 43028), (496, 30883), (694, 22072), (712, 21514), (1388, 11036), (1424, 10757), (2759, 5552), (2776, 5518)]