25516335

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 47416320

約数和(自身を除く): 21899985

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 71, 95, 97, 195, 213, 247, 285, 291, 355, 485, 741, 923, 1065, 1235, 1261, 1349, 1455, 1843, 2769, 3705, 3783, 4047, 4615, 5529, 6305, 6745, 6887, 9215, 13845, 17537, 18915, 20235, 20661, 23959, 27645, 34435, 52611, 71877, 87685, 89531, 103305, 119795, 130853, 263055, 268593, 359385, 392559, 447655, 654265, 1342965, 1701089, 1962795, 5103267, 8505445, 25516335]

約数ペア:

[(1, 25516335), (3, 8505445), (5, 5103267), (13, 1962795), (15, 1701089), (19, 1342965), (39, 654265), (57, 447655), (65, 392559), (71, 359385), (95, 268593), (97, 263055), (195, 130853), (213, 119795), (247, 103305), (285, 89531), (291, 87685), (355, 71877), (485, 52611), (741, 34435), (923, 27645), (1065, 23959), (1235, 20661), (1261, 20235), (1349, 18915), (1455, 17537), (1843, 13845), (2769, 9215), (3705, 6887), (3783, 6745), (4047, 6305), (4615, 5529)]