213510888

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:408

約数の個数: 144

約数和(自身を含む): 636005760

約数和(自身を除く): 422494872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 31, 34, 36, 51, 62, 68, 72, 93, 102, 124, 136, 153, 186, 204, 248, 279, 289, 306, 331, 372, 408, 527, 558, 578, 612, 662, 744, 867, 993, 1054, 1116, 1156, 1224, 1324, 1581, 1734, 1986, 2108, 2232, 2312, 2601, 2648, 2979, 3162, 3468, 3972, 4216, 4743, 5202, 5627, 5958, 6324, 6936, 7944, 8959, 9486, 10261, 10404, 11254, 11916, 12648, 16881, 17918, 18972, 20522, 20808, 22508, 23832, 26877, 30783, 33762, 35836, 37944, 41044, 45016, 50643, 53754, 61566, 67524, 71672, 80631, 82088, 92349, 95659, 101286, 107508, 123132, 135048, 161262, 174437, 184698, 191318, 202572, 215016, 246264, 286977, 322524, 348874, 369396, 382636, 405144, 523311, 573954, 645048, 697748, 738792, 765272, 860931, 1046622, 1147908, 1395496, 1569933, 1721862, 2093244, 2295816, 2965429, 3139866, 3443724, 4186488, 5930858, 6279732, 6887448, 8896287, 11861716, 12559464, 17792574, 23723432, 26688861, 35585148, 53377722, 71170296, 106755444, 213510888]

約数ペア:

[(1, 213510888), (2, 106755444), (3, 71170296), (4, 53377722), (6, 35585148), (8, 26688861), (9, 23723432), (12, 17792574), (17, 12559464), (18, 11861716), (24, 8896287), (31, 6887448), (34, 6279732), (36, 5930858), (51, 4186488), (62, 3443724), (68, 3139866), (72, 2965429), (93, 2295816), (102, 2093244), (124, 1721862), (136, 1569933), (153, 1395496), (186, 1147908), (204, 1046622), (248, 860931), (279, 765272), (289, 738792), (306, 697748), (331, 645048), (372, 573954), (408, 523311), (527, 405144), (558, 382636), (578, 369396), (612, 348874), (662, 322524), (744, 286977), (867, 246264), (993, 215016), (1054, 202572), (1116, 191318), (1156, 184698), (1224, 174437), (1324, 161262), (1581, 135048), (1734, 123132), (1986, 107508), (2108, 101286), (2232, 95659), (2312, 92349), (2601, 82088), (2648, 80631), (2979, 71672), (3162, 67524), (3468, 61566), (3972, 53754), (4216, 50643), (4743, 45016), (5202, 41044), (5627, 37944), (5958, 35836), (6324, 33762), (6936, 30783), (7944, 26877), (8959, 23832), (9486, 22508), (10261, 20808), (10404, 20522), (11254, 18972), (11916, 17918), (12648, 16881)]