181981408

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:480

約数の個数: 96

約数和(自身を含む): 429649920

約数和(自身を除く): 247668512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 73, 112, 124, 146, 217, 224, 248, 292, 359, 434, 496, 511, 584, 718, 868, 992, 1022, 1168, 1436, 1736, 2044, 2263, 2336, 2513, 2872, 3472, 4088, 4526, 5026, 5744, 6944, 8176, 9052, 10052, 11129, 11488, 15841, 16352, 18104, 20104, 22258, 26207, 31682, 36208, 40208, 44516, 52414, 63364, 72416, 77903, 80416, 89032, 104828, 126728, 155806, 178064, 183449, 209656, 253456, 311612, 356128, 366898, 419312, 506912, 623224, 733796, 812417, 838624, 1246448, 1467592, 1624834, 2492896, 2935184, 3249668, 5686919, 5870368, 6499336, 11373838, 12998672, 22747676, 25997344, 45495352, 90990704, 181981408]

約数ペア:

[(1, 181981408), (2, 90990704), (4, 45495352), (7, 25997344), (8, 22747676), (14, 12998672), (16, 11373838), (28, 6499336), (31, 5870368), (32, 5686919), (56, 3249668), (62, 2935184), (73, 2492896), (112, 1624834), (124, 1467592), (146, 1246448), (217, 838624), (224, 812417), (248, 733796), (292, 623224), (359, 506912), (434, 419312), (496, 366898), (511, 356128), (584, 311612), (718, 253456), (868, 209656), (992, 183449), (1022, 178064), (1168, 155806), (1436, 126728), (1736, 104828), (2044, 89032), (2263, 80416), (2336, 77903), (2513, 72416), (2872, 63364), (3472, 52414), (4088, 44516), (4526, 40208), (5026, 36208), (5744, 31682), (6944, 26207), (8176, 22258), (9052, 20104), (10052, 18104), (11129, 16352), (11488, 15841)]