1645624528

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{197}}^1\times {\mathrm{3203}}^1$

素因数の和:3571

約数の個数: 40

約数和(自身を含む): 3225248928

約数和(自身を除く): 1579624400

約数列:

[1, 2, 4, 8, 16, 163, 197, 326, 394, 652, 788, 1304, 1576, 2608, 3152, 3203, 6406, 12812, 25624, 32111, 51248, 64222, 128444, 256888, 513776, 522089, 630991, 1044178, 1261982, 2088356, 2523964, 4176712, 5047928, 8353424, 10095856, 102851533, 205703066, 411406132, 822812264, 1645624528]

約数ペア:

[(1, 1645624528), (2, 822812264), (4, 411406132), (8, 205703066), (16, 102851533), (163, 10095856), (197, 8353424), (326, 5047928), (394, 4176712), (652, 2523964), (788, 2088356), (1304, 1261982), (1576, 1044178), (2608, 630991), (3152, 522089), (3203, 513776), (6406, 256888), (12812, 128444), (25624, 64222), (32111, 51248)]