31780398

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1931}}^1$

素因数の和:2160

約数の個数: 32

約数和(自身を含む): 68810112

約数和(自身を除く): 37029714

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 211, 422, 633, 1266, 1931, 2743, 3862, 5486, 5793, 8229, 11586, 16458, 25103, 50206, 75309, 150618, 407441, 814882, 1222323, 2444646, 5296733, 10593466, 15890199, 31780398]

約数ペア:

[(1, 31780398), (2, 15890199), (3, 10593466), (6, 5296733), (13, 2444646), (26, 1222323), (39, 814882), (78, 407441), (211, 150618), (422, 75309), (633, 50206), (1266, 25103), (1931, 16458), (2743, 11586), (3862, 8229), (5486, 5793)]