28921724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 58306080

約数和(自身を除く): 29384356

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 73, 76, 146, 247, 292, 401, 494, 802, 949, 988, 1387, 1604, 1898, 2774, 3796, 5213, 5548, 7619, 10426, 15238, 18031, 20852, 29273, 30476, 36062, 58546, 72124, 99047, 117092, 198094, 380549, 396188, 556187, 761098, 1112374, 1522196, 2224748, 7230431, 14460862, 28921724]

約数ペア:

[(1, 28921724), (2, 14460862), (4, 7230431), (13, 2224748), (19, 1522196), (26, 1112374), (38, 761098), (52, 556187), (73, 396188), (76, 380549), (146, 198094), (247, 117092), (292, 99047), (401, 72124), (494, 58546), (802, 36062), (949, 30476), (988, 29273), (1387, 20852), (1604, 18031), (1898, 15238), (2774, 10426), (3796, 7619), (5213, 5548)]