258531506

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{449}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 413683200

約数和(自身を除く): 155151694

約数列:

[1, 2, 31, 37, 62, 74, 251, 449, 502, 898, 1147, 2294, 7781, 9287, 13919, 15562, 16613, 18574, 27838, 33226, 112699, 225398, 287897, 515003, 575794, 1030006, 3493669, 4169863, 6987338, 8339726, 129265753, 258531506]

約数ペア:

[(1, 258531506), (2, 129265753), (31, 8339726), (37, 6987338), (62, 4169863), (74, 3493669), (251, 1030006), (449, 575794), (502, 515003), (898, 287897), (1147, 225398), (2294, 112699), (7781, 33226), (9287, 27838), (13919, 18574), (15562, 16613)]