28007216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{509}}^1$

素因数の和:717

約数の個数: 40

約数和(自身を含む): 57548400

約数和(自身を除く): 29541184

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 181, 304, 362, 509, 724, 1018, 1448, 2036, 2896, 3439, 4072, 6878, 8144, 9671, 13756, 19342, 27512, 38684, 55024, 77368, 92129, 154736, 184258, 368516, 737032, 1474064, 1750451, 3500902, 7001804, 14003608, 28007216]

約数ペア:

[(1, 28007216), (2, 14003608), (4, 7001804), (8, 3500902), (16, 1750451), (19, 1474064), (38, 737032), (76, 368516), (152, 184258), (181, 154736), (304, 92129), (362, 77368), (509, 55024), (724, 38684), (1018, 27512), (1448, 19342), (2036, 13756), (2896, 9671), (3439, 8144), (4072, 6878)]