171774980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{50821}}^1$

素因数の和:50856

約数の個数: 36

約数和(自身を含む): 390617892

約数和(自身を除く): 218842912

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 50821, 101642, 203284, 254105, 508210, 660673, 1016420, 1321346, 2642692, 3303365, 6606730, 8588749, 13213460, 17177498, 34354996, 42943745, 85887490, 171774980]

約数ペア:

[(1, 171774980), (2, 85887490), (4, 42943745), (5, 34354996), (10, 17177498), (13, 13213460), (20, 8588749), (26, 6606730), (52, 3303365), (65, 2642692), (130, 1321346), (169, 1016420), (260, 660673), (338, 508210), (676, 254105), (845, 203284), (1690, 101642), (3380, 50821)]