42087955

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{397}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 62584704

約数和(自身を除く): 20496749

約数列:

[1, 5, 7, 13, 35, 65, 91, 233, 397, 455, 1165, 1631, 1985, 2779, 3029, 5161, 8155, 13895, 15145, 21203, 25805, 36127, 92501, 106015, 180635, 462505, 647507, 1202513, 3237535, 6012565, 8417591, 42087955]

約数ペア:

[(1, 42087955), (5, 8417591), (7, 6012565), (13, 3237535), (35, 1202513), (65, 647507), (91, 462505), (233, 180635), (397, 106015), (455, 92501), (1165, 36127), (1631, 25805), (1985, 21203), (2779, 15145), (3029, 13895), (5161, 8155)]