25747506

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:395

約数の個数: 48

約数和(自身を含む): 57544344

約数和(自身を除く): 31796838

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 137, 159, 197, 274, 318, 394, 411, 477, 591, 822, 954, 1182, 1233, 1773, 2466, 3546, 7261, 10441, 14522, 20882, 21783, 26989, 31323, 43566, 53978, 62646, 65349, 80967, 93969, 130698, 161934, 187938, 242901, 485802, 1430417, 2860834, 4291251, 8582502, 12873753, 25747506]

約数ペア:

[(1, 25747506), (2, 12873753), (3, 8582502), (6, 4291251), (9, 2860834), (18, 1430417), (53, 485802), (106, 242901), (137, 187938), (159, 161934), (197, 130698), (274, 93969), (318, 80967), (394, 65349), (411, 62646), (477, 53978), (591, 43566), (822, 31323), (954, 26989), (1182, 21783), (1233, 20882), (1773, 14522), (2466, 10441), (3546, 7261)]