28406724

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 68078976

約数和(自身を除く): 39672252

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 151, 183, 244, 257, 302, 366, 453, 514, 604, 732, 771, 906, 1028, 1542, 1812, 3084, 9211, 15677, 18422, 27633, 31354, 36844, 38807, 47031, 55266, 62708, 77614, 94062, 110532, 116421, 155228, 188124, 232842, 465684, 2367227, 4734454, 7101681, 9468908, 14203362, 28406724]

約数ペア:

[(1, 28406724), (2, 14203362), (3, 9468908), (4, 7101681), (6, 4734454), (12, 2367227), (61, 465684), (122, 232842), (151, 188124), (183, 155228), (244, 116421), (257, 110532), (302, 94062), (366, 77614), (453, 62708), (514, 55266), (604, 47031), (732, 38807), (771, 36844), (906, 31354), (1028, 27633), (1542, 18422), (1812, 15677), (3084, 9211)]