About the Number

131487972

131487971 ← → 131487973

2進数表記:111110101100101100011100100

漢数字表記:一億三千百四十八万七千九百七十二

素因数分解:

2 2 × 3 1 × 7 2 × 11 1 × 29 1 × 701 1

素因数の和:762
約数の個数: 144
約数和(自身を含む): 403341120
約数和(自身を除く): 271853148

約数列:
[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 29, 33, 42, 44, 49, 58, 66, 77, 84, 87, 98, 116, 132, 147, 154, 174, 196, 203, 231, 294, 308, 319, 348, 406, 462, 539, 588, 609, 638, 701, 812, 924, 957, 1078, 1218, 1276, 1402, 1421, 1617, 1914, 2103, 2156, 2233, 2436, 2804, 2842, 3234, 3828, 4206, 4263, 4466, 4907, 5684, 6468, 6699, 7711, 8412, 8526, 8932, 9814, 13398, 14721, 15422, 15631, 17052, 19628, 20329, 23133, 26796, 29442, 30844, 31262, 34349, 40658, 46266, 46893, 53977, 58884, 60987, 62524, 68698, 81316, 92532, 93786, 103047, 107954, 121974, 137396, 142303, 161931, 187572, 206094, 215908, 223619, 243948, 284606, 323862, 377839, 412188, 426909, 447238, 569212, 647724, 670857, 755678, 853818, 894476, 996121, 1133517, 1341714, 1511356, 1565333, 1707636, 1992242, 2267034, 2683428, 2988363, 3130666, 3984484, 4534068, 4695999, 5976726, 6261332, 9391998, 10957331, 11953452, 18783996, 21914662, 32871993, 43829324, 65743986, 131487972]

約数ペア:
[(1, 131487972), (2, 65743986), (3, 43829324), (4, 32871993), (6, 21914662), (7, 18783996), (11, 11953452), (12, 10957331), (14, 9391998), (21, 6261332), (22, 5976726), (28, 4695999), (29, 4534068), (33, 3984484), (42, 3130666), (44, 2988363), (49, 2683428), (58, 2267034), (66, 1992242), (77, 1707636), (84, 1565333), (87, 1511356), (98, 1341714), (116, 1133517), (132, 996121), (147, 894476), (154, 853818), (174, 755678), (196, 670857), (203, 647724), (231, 569212), (294, 447238), (308, 426909), (319, 412188), (348, 377839), (406, 323862), (462, 284606), (539, 243948), (588, 223619), (609, 215908), (638, 206094), (701, 187572), (812, 161931), (924, 142303), (957, 137396), (1078, 121974), (1218, 107954), (1276, 103047), (1402, 93786), (1421, 92532), (1617, 81316), (1914, 68698), (2103, 62524), (2156, 60987), (2233, 58884), (2436, 53977), (2804, 46893), (2842, 46266), (3234, 40658), (3828, 34349), (4206, 31262), (4263, 30844), (4466, 29442), (4907, 26796), (5684, 23133), (6468, 20329), (6699, 19628), (7711, 17052), (8412, 15631), (8526, 15422), (8932, 14721), (9814, 13398)]

このpageの処理時間: 0.014561891555786133 seconds