161726225

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 222081024

約数和(自身を除く): 60354799

約数列:

[1, 5, 23, 25, 31, 43, 115, 155, 211, 215, 575, 713, 775, 989, 1055, 1075, 1333, 3565, 4853, 4945, 5275, 6541, 6665, 9073, 17825, 24265, 24725, 30659, 32705, 33325, 45365, 121325, 150443, 153295, 163525, 208679, 226825, 281263, 752215, 766475, 1043395, 1406315, 3761075, 5216975, 6469049, 7031575, 32345245, 161726225]

約数ペア:

[(1, 161726225), (5, 32345245), (23, 7031575), (25, 6469049), (31, 5216975), (43, 3761075), (115, 1406315), (155, 1043395), (211, 766475), (215, 752215), (575, 281263), (713, 226825), (775, 208679), (989, 163525), (1055, 153295), (1075, 150443), (1333, 121325), (3565, 45365), (4853, 33325), (4945, 32705), (5275, 30659), (6541, 24725), (6665, 24265), (9073, 17825)]