28797860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15823}}^1$

素因数の和:15852

約数の個数: 48

約数和(自身を含む): 74436096

約数和(自身を除く): 45638236

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 15823, 31646, 63292, 79115, 110761, 158230, 205699, 221522, 316460, 411398, 443044, 553805, 822796, 1028495, 1107610, 1439893, 2056990, 2215220, 2879786, 4113980, 5759572, 7199465, 14398930, 28797860]

約数ペア:

[(1, 28797860), (2, 14398930), (4, 7199465), (5, 5759572), (7, 4113980), (10, 2879786), (13, 2215220), (14, 2056990), (20, 1439893), (26, 1107610), (28, 1028495), (35, 822796), (52, 553805), (65, 443044), (70, 411398), (91, 316460), (130, 221522), (140, 205699), (182, 158230), (260, 110761), (364, 79115), (455, 63292), (910, 31646), (1820, 15823)]