165962875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:169

約数の個数: 64

約数和(自身を含む): 237758976

約数和(自身を除く): 71796101

約数列:

[1, 5, 13, 25, 41, 47, 53, 65, 125, 205, 235, 265, 325, 533, 611, 689, 1025, 1175, 1325, 1625, 1927, 2173, 2491, 2665, 3055, 3445, 5125, 5875, 6625, 9635, 10865, 12455, 13325, 15275, 17225, 25051, 28249, 32383, 48175, 54325, 62275, 66625, 76375, 86125, 102131, 125255, 141245, 161915, 240875, 271625, 311375, 510655, 626275, 706225, 809575, 1327703, 2553275, 3131375, 3531125, 4047875, 6638515, 12766375, 33192575, 165962875]

約数ペア:

[(1, 165962875), (5, 33192575), (13, 12766375), (25, 6638515), (41, 4047875), (47, 3531125), (53, 3131375), (65, 2553275), (125, 1327703), (205, 809575), (235, 706225), (265, 626275), (325, 510655), (533, 311375), (611, 271625), (689, 240875), (1025, 161915), (1175, 141245), (1325, 125255), (1625, 102131), (1927, 86125), (2173, 76375), (2491, 66625), (2665, 62275), (3055, 54325), (3445, 48175), (5125, 32383), (5875, 28249), (6625, 25051), (9635, 17225), (10865, 15275), (12455, 13325)]