28828605

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 54190080

約数和(自身を除く): 25361475

約数列:

[1, 3, 5, 13, 15, 19, 31, 39, 57, 65, 93, 95, 155, 195, 247, 251, 285, 403, 465, 589, 741, 753, 1209, 1235, 1255, 1767, 2015, 2945, 3263, 3705, 3765, 4769, 6045, 7657, 7781, 8835, 9789, 14307, 16315, 22971, 23343, 23845, 38285, 38905, 48945, 61997, 71535, 101153, 114855, 116715, 147839, 185991, 303459, 309985, 443517, 505765, 739195, 929955, 1517295, 1921907, 2217585, 5765721, 9609535, 28828605]

約数ペア:

[(1, 28828605), (3, 9609535), (5, 5765721), (13, 2217585), (15, 1921907), (19, 1517295), (31, 929955), (39, 739195), (57, 505765), (65, 443517), (93, 309985), (95, 303459), (155, 185991), (195, 147839), (247, 116715), (251, 114855), (285, 101153), (403, 71535), (465, 61997), (589, 48945), (741, 38905), (753, 38285), (1209, 23845), (1235, 23343), (1255, 22971), (1767, 16315), (2015, 14307), (2945, 9789), (3263, 8835), (3705, 7781), (3765, 7657), (4769, 6045)]