196999992

素因数分解:

$2^3\times 3^3\times 7^3\times {\mathrm{2659}}^1$

素因数の和:2695

約数の個数: 128

約数和(自身を含む): 638400000

約数和(自身を除く): 441400008

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 49, 54, 56, 63, 72, 84, 98, 108, 126, 147, 168, 189, 196, 216, 252, 294, 343, 378, 392, 441, 504, 588, 686, 756, 882, 1029, 1176, 1323, 1372, 1512, 1764, 2058, 2646, 2659, 2744, 3087, 3528, 4116, 5292, 5318, 6174, 7977, 8232, 9261, 10584, 10636, 12348, 15954, 18522, 18613, 21272, 23931, 24696, 31908, 37044, 37226, 47862, 55839, 63816, 71793, 74088, 74452, 95724, 111678, 130291, 143586, 148904, 167517, 191448, 223356, 260582, 287172, 335034, 390873, 446712, 502551, 521164, 574344, 670068, 781746, 912037, 1005102, 1042328, 1172619, 1340136, 1563492, 1824074, 2010204, 2345238, 2736111, 3126984, 3517857, 3648148, 4020408, 4690476, 5472222, 7035714, 7296296, 8208333, 9380952, 10944444, 14071428, 16416666, 21888888, 24624999, 28142856, 32833332, 49249998, 65666664, 98499996, 196999992]

約数ペア:

[(1, 196999992), (2, 98499996), (3, 65666664), (4, 49249998), (6, 32833332), (7, 28142856), (8, 24624999), (9, 21888888), (12, 16416666), (14, 14071428), (18, 10944444), (21, 9380952), (24, 8208333), (27, 7296296), (28, 7035714), (36, 5472222), (42, 4690476), (49, 4020408), (54, 3648148), (56, 3517857), (63, 3126984), (72, 2736111), (84, 2345238), (98, 2010204), (108, 1824074), (126, 1563492), (147, 1340136), (168, 1172619), (189, 1042328), (196, 1005102), (216, 912037), (252, 781746), (294, 670068), (343, 574344), (378, 521164), (392, 502551), (441, 446712), (504, 390873), (588, 335034), (686, 287172), (756, 260582), (882, 223356), (1029, 191448), (1176, 167517), (1323, 148904), (1372, 143586), (1512, 130291), (1764, 111678), (2058, 95724), (2646, 74452), (2659, 74088), (2744, 71793), (3087, 63816), (3528, 55839), (4116, 47862), (5292, 37226), (5318, 37044), (6174, 31908), (7977, 24696), (8232, 23931), (9261, 21272), (10584, 18613), (10636, 18522), (12348, 15954)]