217526225

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 322169856

約数和(自身を除く): 104643631

約数列:

[1, 5, 7, 25, 31, 35, 101, 155, 175, 217, 397, 505, 707, 775, 1085, 1985, 2525, 2779, 3131, 3535, 5425, 9925, 12307, 13895, 15655, 17675, 21917, 40097, 61535, 69475, 78275, 86149, 109585, 200485, 280679, 307675, 430745, 547925, 1002425, 1243007, 1403395, 2153725, 6215035, 7016975, 8701049, 31075175, 43505245, 217526225]

約数ペア:

[(1, 217526225), (5, 43505245), (7, 31075175), (25, 8701049), (31, 7016975), (35, 6215035), (101, 2153725), (155, 1403395), (175, 1243007), (217, 1002425), (397, 547925), (505, 430745), (707, 307675), (775, 280679), (1085, 200485), (1985, 109585), (2525, 86149), (2779, 78275), (3131, 69475), (3535, 61535), (5425, 40097), (9925, 21917), (12307, 17675), (13895, 15655)]