215889492

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:558

約数の個数: 144

約数和(自身を含む): 642792192

約数和(自身を除く): 426902700

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 61, 78, 84, 91, 98, 122, 147, 156, 182, 183, 196, 244, 273, 294, 364, 366, 427, 463, 546, 588, 637, 732, 793, 854, 926, 1092, 1274, 1281, 1389, 1586, 1708, 1852, 1911, 2379, 2548, 2562, 2778, 2989, 3172, 3241, 3822, 4758, 5124, 5551, 5556, 5978, 6019, 6482, 7644, 8967, 9516, 9723, 11102, 11956, 12038, 12964, 16653, 17934, 18057, 19446, 22204, 22687, 24076, 28243, 33306, 35868, 36114, 38857, 38892, 42133, 45374, 56486, 66612, 68061, 72228, 77714, 84266, 84729, 90748, 112972, 116571, 126399, 136122, 155428, 168532, 169458, 197701, 233142, 252798, 272244, 294931, 338916, 367159, 395402, 466284, 505596, 589862, 593103, 734318, 790804, 884793, 1101477, 1179724, 1186206, 1383907, 1468636, 1769586, 2202954, 2372412, 2570113, 2767814, 3539172, 4151721, 4405908, 5140226, 5535628, 7710339, 8303442, 10280452, 15420678, 16606884, 17990791, 30841356, 35981582, 53972373, 71963164, 107944746, 215889492]

約数ペア:

[(1, 215889492), (2, 107944746), (3, 71963164), (4, 53972373), (6, 35981582), (7, 30841356), (12, 17990791), (13, 16606884), (14, 15420678), (21, 10280452), (26, 8303442), (28, 7710339), (39, 5535628), (42, 5140226), (49, 4405908), (52, 4151721), (61, 3539172), (78, 2767814), (84, 2570113), (91, 2372412), (98, 2202954), (122, 1769586), (147, 1468636), (156, 1383907), (182, 1186206), (183, 1179724), (196, 1101477), (244, 884793), (273, 790804), (294, 734318), (364, 593103), (366, 589862), (427, 505596), (463, 466284), (546, 395402), (588, 367159), (637, 338916), (732, 294931), (793, 272244), (854, 252798), (926, 233142), (1092, 197701), (1274, 169458), (1281, 168532), (1389, 155428), (1586, 136122), (1708, 126399), (1852, 116571), (1911, 112972), (2379, 90748), (2548, 84729), (2562, 84266), (2778, 77714), (2989, 72228), (3172, 68061), (3241, 66612), (3822, 56486), (4758, 45374), (5124, 42133), (5551, 38892), (5556, 38857), (5978, 36114), (6019, 35868), (6482, 33306), (7644, 28243), (8967, 24076), (9516, 22687), (9723, 22204), (11102, 19446), (11956, 18057), (12038, 17934), (12964, 16653)]