28271028

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 67616640

約数和(自身を除く): 39345612

約数列:

[1, 2, 3, 4, 6, 12, 89, 103, 178, 206, 257, 267, 309, 356, 412, 514, 534, 618, 771, 1028, 1068, 1236, 1542, 3084, 9167, 18334, 22873, 26471, 27501, 36668, 45746, 52942, 55002, 68619, 79413, 91492, 105884, 110004, 137238, 158826, 274476, 317652, 2355919, 4711838, 7067757, 9423676, 14135514, 28271028]

約数ペア:

[(1, 28271028), (2, 14135514), (3, 9423676), (4, 7067757), (6, 4711838), (12, 2355919), (89, 317652), (103, 274476), (178, 158826), (206, 137238), (257, 110004), (267, 105884), (309, 91492), (356, 79413), (412, 68619), (514, 55002), (534, 52942), (618, 45746), (771, 36668), (1028, 27501), (1068, 26471), (1236, 22873), (1542, 18334), (3084, 9167)]