245105406

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1671

約数の個数: 128

約数和(自身を含む): 692428800

約数和(自身を除く): 447323394

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 31, 39, 42, 54, 62, 63, 78, 91, 93, 117, 126, 182, 186, 189, 217, 234, 273, 279, 351, 378, 403, 434, 546, 558, 651, 702, 806, 819, 837, 1209, 1302, 1609, 1638, 1674, 1953, 2418, 2457, 2821, 3218, 3627, 3906, 4827, 4914, 5642, 5859, 7254, 8463, 9654, 10881, 11263, 11718, 14481, 16926, 20917, 21762, 22526, 25389, 28962, 33789, 41834, 43443, 49879, 50778, 62751, 67578, 76167, 86886, 99758, 101367, 125502, 146419, 149637, 152334, 188253, 202734, 292838, 299274, 304101, 349153, 376506, 439257, 448911, 564759, 608202, 648427, 698306, 878514, 897822, 1047459, 1129518, 1296854, 1317771, 1346733, 1945281, 2094918, 2635542, 2693466, 3142377, 3890562, 3953313, 4538989, 5835843, 6284754, 7906626, 9077978, 9427131, 11671686, 13616967, 17507529, 18854262, 27233934, 35015058, 40850901, 81701802, 122552703, 245105406]

約数ペア:

[(1, 245105406), (2, 122552703), (3, 81701802), (6, 40850901), (7, 35015058), (9, 27233934), (13, 18854262), (14, 17507529), (18, 13616967), (21, 11671686), (26, 9427131), (27, 9077978), (31, 7906626), (39, 6284754), (42, 5835843), (54, 4538989), (62, 3953313), (63, 3890562), (78, 3142377), (91, 2693466), (93, 2635542), (117, 2094918), (126, 1945281), (182, 1346733), (186, 1317771), (189, 1296854), (217, 1129518), (234, 1047459), (273, 897822), (279, 878514), (351, 698306), (378, 648427), (403, 608202), (434, 564759), (546, 448911), (558, 439257), (651, 376506), (702, 349153), (806, 304101), (819, 299274), (837, 292838), (1209, 202734), (1302, 188253), (1609, 152334), (1638, 149637), (1674, 146419), (1953, 125502), (2418, 101367), (2457, 99758), (2821, 86886), (3218, 76167), (3627, 67578), (3906, 62751), (4827, 50778), (4914, 49879), (5642, 43443), (5859, 41834), (7254, 33789), (8463, 28962), (9654, 25389), (10881, 22526), (11263, 21762), (11718, 20917), (14481, 16926)]