78155495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1993}}^1$

素因数の和:2063

約数の個数: 32

約数和(自身を含む): 110260224

約数和(自身を除く): 32104729

約数列:

[1, 5, 11, 23, 31, 55, 115, 155, 253, 341, 713, 1265, 1705, 1993, 3565, 7843, 9965, 21923, 39215, 45839, 61783, 109615, 229195, 308915, 504229, 679613, 1421009, 2521145, 3398065, 7105045, 15631099, 78155495]

約数ペア:

[(1, 78155495), (5, 15631099), (11, 7105045), (23, 3398065), (31, 2521145), (55, 1421009), (115, 679613), (155, 504229), (253, 308915), (341, 229195), (713, 109615), (1265, 61783), (1705, 45839), (1993, 39215), (3565, 21923), (7843, 9965)]