28170505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 38522880

約数和(自身を除く): 10352375

約数列:

[1, 5, 11, 37, 55, 109, 127, 185, 407, 545, 635, 1199, 1397, 2035, 4033, 4699, 5995, 6985, 13843, 20165, 23495, 44363, 51689, 69215, 152273, 221815, 258445, 512191, 761365, 2560955, 5634101, 28170505]

約数ペア:

[(1, 28170505), (5, 5634101), (11, 2560955), (37, 761365), (55, 512191), (109, 258445), (127, 221815), (185, 152273), (407, 69215), (545, 51689), (635, 44363), (1199, 23495), (1397, 20165), (2035, 13843), (4033, 6985), (4699, 5995)]