131547904

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 281238048

約数和(自身を除く): 149690144

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 167, 181, 256, 272, 334, 362, 544, 668, 724, 1088, 1336, 1448, 2176, 2672, 2839, 2896, 3077, 4352, 5344, 5678, 5792, 6154, 10688, 11356, 11584, 12308, 21376, 22712, 23168, 24616, 30227, 42752, 45424, 46336, 49232, 60454, 90848, 98464, 120908, 181696, 196928, 241816, 363392, 393856, 483632, 513859, 726784, 787712, 967264, 1027718, 1934528, 2055436, 3869056, 4110872, 7738112, 8221744, 16443488, 32886976, 65773952, 131547904]

約数ペア:

[(1, 131547904), (2, 65773952), (4, 32886976), (8, 16443488), (16, 8221744), (17, 7738112), (32, 4110872), (34, 3869056), (64, 2055436), (68, 1934528), (128, 1027718), (136, 967264), (167, 787712), (181, 726784), (256, 513859), (272, 483632), (334, 393856), (362, 363392), (544, 241816), (668, 196928), (724, 181696), (1088, 120908), (1336, 98464), (1448, 90848), (2176, 60454), (2672, 49232), (2839, 46336), (2896, 45424), (3077, 42752), (4352, 30227), (5344, 24616), (5678, 23168), (5792, 22712), (6154, 21376), (10688, 12308), (11356, 11584)]