28483845

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{79}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 50883840

約数和(自身を除く): 22399995

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 79, 129, 195, 215, 237, 395, 559, 645, 1027, 1185, 1677, 1849, 2795, 3081, 3397, 5135, 5547, 8385, 9245, 10191, 15405, 16985, 24037, 27735, 44161, 50955, 72111, 120185, 132483, 146071, 220805, 360555, 438213, 662415, 730355, 1898923, 2191065, 5696769, 9494615, 28483845]

約数ペア:

[(1, 28483845), (3, 9494615), (5, 5696769), (13, 2191065), (15, 1898923), (39, 730355), (43, 662415), (65, 438213), (79, 360555), (129, 220805), (195, 146071), (215, 132483), (237, 120185), (395, 72111), (559, 50955), (645, 44161), (1027, 27735), (1185, 24037), (1677, 16985), (1849, 15405), (2795, 10191), (3081, 9245), (3397, 8385), (5135, 5547)]