72173465

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1249}}^1$

素因数の和:1401

約数の個数: 32

約数和(自身を含む): 107520000

約数和(自身を除く): 35346535

約数列:

[1, 5, 7, 13, 35, 65, 91, 127, 455, 635, 889, 1249, 1651, 4445, 6245, 8255, 8743, 11557, 16237, 43715, 57785, 81185, 113659, 158623, 568295, 793115, 1110361, 2062099, 5551805, 10310495, 14434693, 72173465]

約数ペア:

[(1, 72173465), (5, 14434693), (7, 10310495), (13, 5551805), (35, 2062099), (65, 1110361), (91, 793115), (127, 568295), (455, 158623), (635, 113659), (889, 81185), (1249, 57785), (1651, 43715), (4445, 16237), (6245, 11557), (8255, 8743)]