202121790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{518261}}^1$

素因数の和:518284

約数の個数: 32

約数和(自身を含む): 522408096

約数和(自身を除く): 320286306

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 518261, 1036522, 1554783, 2591305, 3109566, 5182610, 6737393, 7773915, 13474786, 15547830, 20212179, 33686965, 40424358, 67373930, 101060895, 202121790]

約数ペア:

[(1, 202121790), (2, 101060895), (3, 67373930), (5, 40424358), (6, 33686965), (10, 20212179), (13, 15547830), (15, 13474786), (26, 7773915), (30, 6737393), (39, 5182610), (65, 3109566), (78, 2591305), (130, 1554783), (195, 1036522), (390, 518261)]