1427691275

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 1858497120

約数和(自身を除く): 430805845

約数列:

[1, 5, 25, 61, 67, 89, 157, 305, 335, 445, 785, 1525, 1675, 2225, 3925, 4087, 5429, 5963, 9577, 10519, 13973, 20435, 27145, 29815, 47885, 52595, 69865, 102175, 135725, 149075, 239425, 262975, 349325, 363743, 641659, 852353, 936191, 1818715, 3208295, 4261765, 4680955, 9093575, 16041475, 21308825, 23404775, 57107651, 285538255, 1427691275]

約数ペア:

[(1, 1427691275), (5, 285538255), (25, 57107651), (61, 23404775), (67, 21308825), (89, 16041475), (157, 9093575), (305, 4680955), (335, 4261765), (445, 3208295), (785, 1818715), (1525, 936191), (1675, 852353), (2225, 641659), (3925, 363743), (4087, 349325), (5429, 262975), (5963, 239425), (9577, 149075), (10519, 135725), (13973, 102175), (20435, 69865), (27145, 52595), (29815, 47885)]