28810376

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 66718080

約数和(自身を除く): 37907704

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 53, 56, 68, 106, 119, 136, 212, 238, 371, 424, 476, 571, 742, 901, 952, 1142, 1484, 1802, 2284, 2968, 3604, 3997, 4568, 6307, 7208, 7994, 9707, 12614, 15988, 19414, 25228, 30263, 31976, 38828, 50456, 60526, 67949, 77656, 121052, 135898, 211841, 242104, 271796, 423682, 514471, 543592, 847364, 1028942, 1694728, 2057884, 3601297, 4115768, 7202594, 14405188, 28810376]

約数ペア:

[(1, 28810376), (2, 14405188), (4, 7202594), (7, 4115768), (8, 3601297), (14, 2057884), (17, 1694728), (28, 1028942), (34, 847364), (53, 543592), (56, 514471), (68, 423682), (106, 271796), (119, 242104), (136, 211841), (212, 135898), (238, 121052), (371, 77656), (424, 67949), (476, 60526), (571, 50456), (742, 38828), (901, 31976), (952, 30263), (1142, 25228), (1484, 19414), (1802, 15988), (2284, 12614), (2968, 9707), (3604, 7994), (3997, 7208), (4568, 6307)]