8641428

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 21450240

約数和(自身を除く): 12808812

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 151, 228, 251, 302, 453, 502, 604, 753, 906, 1004, 1506, 1812, 2869, 3012, 4769, 5738, 8607, 9538, 11476, 14307, 17214, 19076, 28614, 34428, 37901, 57228, 75802, 113703, 151604, 227406, 454812, 720119, 1440238, 2160357, 2880476, 4320714, 8641428]

約数ペア:

[(1, 8641428), (2, 4320714), (3, 2880476), (4, 2160357), (6, 1440238), (12, 720119), (19, 454812), (38, 227406), (57, 151604), (76, 113703), (114, 75802), (151, 57228), (228, 37901), (251, 34428), (302, 28614), (453, 19076), (502, 17214), (604, 14307), (753, 11476), (906, 9538), (1004, 8607), (1506, 5738), (1812, 4769), (2869, 3012)]