218928696

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:505

約数の個数: 128

約数和(自身を含む): 652738560

約数和(自身を除く): 433809864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 127, 168, 186, 217, 248, 254, 331, 372, 381, 434, 508, 651, 662, 744, 762, 868, 889, 993, 1016, 1302, 1324, 1524, 1736, 1778, 1986, 2317, 2604, 2648, 2667, 3048, 3556, 3937, 3972, 4634, 5208, 5334, 6951, 7112, 7874, 7944, 9268, 10261, 10668, 11811, 13902, 15748, 18536, 20522, 21336, 23622, 27559, 27804, 30783, 31496, 41044, 42037, 47244, 55118, 55608, 61566, 71827, 82088, 82677, 84074, 94488, 110236, 123132, 126111, 143654, 165354, 168148, 215481, 220472, 246264, 252222, 287308, 294259, 330708, 336296, 430962, 504444, 574616, 588518, 661416, 861924, 882777, 1008888, 1177036, 1303147, 1723848, 1765554, 2354072, 2606294, 3531108, 3909441, 5212588, 7062216, 7818882, 9122029, 10425176, 15637764, 18244058, 27366087, 31275528, 36488116, 54732174, 72976232, 109464348, 218928696]

約数ペア:

[(1, 218928696), (2, 109464348), (3, 72976232), (4, 54732174), (6, 36488116), (7, 31275528), (8, 27366087), (12, 18244058), (14, 15637764), (21, 10425176), (24, 9122029), (28, 7818882), (31, 7062216), (42, 5212588), (56, 3909441), (62, 3531108), (84, 2606294), (93, 2354072), (124, 1765554), (127, 1723848), (168, 1303147), (186, 1177036), (217, 1008888), (248, 882777), (254, 861924), (331, 661416), (372, 588518), (381, 574616), (434, 504444), (508, 430962), (651, 336296), (662, 330708), (744, 294259), (762, 287308), (868, 252222), (889, 246264), (993, 220472), (1016, 215481), (1302, 168148), (1324, 165354), (1524, 143654), (1736, 126111), (1778, 123132), (1986, 110236), (2317, 94488), (2604, 84074), (2648, 82677), (2667, 82088), (3048, 71827), (3556, 61566), (3937, 55608), (3972, 55118), (4634, 47244), (5208, 42037), (5334, 41044), (6951, 31496), (7112, 30783), (7874, 27804), (7944, 27559), (9268, 23622), (10261, 21336), (10668, 20522), (11811, 18536), (13902, 15748)]