28649530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1657}}^1$

素因数の和:1703

約数の個数: 64

約数和(自身を含む): 66850560

約数和(自身を除く): 38201030

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 91, 95, 130, 133, 182, 190, 247, 266, 455, 494, 665, 910, 1235, 1330, 1657, 1729, 2470, 3314, 3458, 8285, 8645, 11599, 16570, 17290, 21541, 23198, 31483, 43082, 57995, 62966, 107705, 115990, 150787, 157415, 215410, 220381, 301574, 314830, 409279, 440762, 753935, 818558, 1101905, 1507870, 2046395, 2203810, 2864953, 4092790, 5729906, 14324765, 28649530]

約数ペア:

[(1, 28649530), (2, 14324765), (5, 5729906), (7, 4092790), (10, 2864953), (13, 2203810), (14, 2046395), (19, 1507870), (26, 1101905), (35, 818558), (38, 753935), (65, 440762), (70, 409279), (91, 314830), (95, 301574), (130, 220381), (133, 215410), (182, 157415), (190, 150787), (247, 115990), (266, 107705), (455, 62966), (494, 57995), (665, 43082), (910, 31483), (1235, 23198), (1330, 21541), (1657, 17290), (1729, 16570), (2470, 11599), (3314, 8645), (3458, 8285)]