25031055

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 49904640

約数和(自身を除く): 24873585

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 37, 51, 85, 105, 111, 119, 185, 255, 259, 357, 379, 555, 595, 629, 777, 1137, 1295, 1785, 1887, 1895, 2653, 3145, 3885, 4403, 5685, 6443, 7959, 9435, 13209, 13265, 14023, 19329, 22015, 32215, 39795, 42069, 45101, 66045, 70115, 96645, 98161, 135303, 210345, 225505, 238391, 294483, 490805, 676515, 715173, 1191955, 1472415, 1668737, 3575865, 5006211, 8343685, 25031055]

約数ペア:

[(1, 25031055), (3, 8343685), (5, 5006211), (7, 3575865), (15, 1668737), (17, 1472415), (21, 1191955), (35, 715173), (37, 676515), (51, 490805), (85, 294483), (105, 238391), (111, 225505), (119, 210345), (185, 135303), (255, 98161), (259, 96645), (357, 70115), (379, 66045), (555, 45101), (595, 42069), (629, 39795), (777, 32215), (1137, 22015), (1295, 19329), (1785, 14023), (1887, 13265), (1895, 13209), (2653, 9435), (3145, 7959), (3885, 6443), (4403, 5685)]