257951928

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{3217}}^1$

素因数の和:3496

約数の個数: 64

約数和(自身を含む): 697404960

約数和(自身を除く): 439453032

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 257, 312, 514, 771, 1028, 1542, 2056, 3084, 3217, 3341, 6168, 6434, 6682, 9651, 10023, 12868, 13364, 19302, 20046, 25736, 26728, 38604, 40092, 41821, 77208, 80184, 83642, 125463, 167284, 250926, 334568, 501852, 826769, 1003704, 1653538, 2480307, 3307076, 4960614, 6614152, 9921228, 10747997, 19842456, 21495994, 32243991, 42991988, 64487982, 85983976, 128975964, 257951928]

約数ペア:

[(1, 257951928), (2, 128975964), (3, 85983976), (4, 64487982), (6, 42991988), (8, 32243991), (12, 21495994), (13, 19842456), (24, 10747997), (26, 9921228), (39, 6614152), (52, 4960614), (78, 3307076), (104, 2480307), (156, 1653538), (257, 1003704), (312, 826769), (514, 501852), (771, 334568), (1028, 250926), (1542, 167284), (2056, 125463), (3084, 83642), (3217, 80184), (3341, 77208), (6168, 41821), (6434, 40092), (6682, 38604), (9651, 26728), (10023, 25736), (12868, 20046), (13364, 19302)]