768836065

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 981066240

約数和(自身を除く): 212230175

約数列:

[1, 5, 23, 97, 115, 157, 439, 485, 785, 2195, 2231, 3611, 10097, 11155, 15229, 18055, 42583, 50485, 68923, 76145, 212915, 344615, 350267, 979409, 1585229, 1751335, 4897045, 6685531, 7926145, 33427655, 153767213, 768836065]

約数ペア:

[(1, 768836065), (5, 153767213), (23, 33427655), (97, 7926145), (115, 6685531), (157, 4897045), (439, 1751335), (485, 1585229), (785, 979409), (2195, 350267), (2231, 344615), (3611, 212915), (10097, 76145), (11155, 68923), (15229, 50485), (18055, 42583)]