87923456

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 188742960

約数和(自身を除く): 100819504

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 89, 128, 136, 178, 227, 256, 272, 356, 454, 544, 712, 908, 1088, 1424, 1513, 1816, 2176, 2848, 3026, 3632, 3859, 4352, 5696, 6052, 7264, 7718, 11392, 12104, 14528, 15436, 20203, 22784, 24208, 29056, 30872, 40406, 48416, 58112, 61744, 80812, 96832, 123488, 161624, 193664, 246976, 323248, 343451, 387328, 493952, 646496, 686902, 987904, 1292992, 1373804, 2585984, 2747608, 5171968, 5495216, 10990432, 21980864, 43961728, 87923456]

約数ペア:

[(1, 87923456), (2, 43961728), (4, 21980864), (8, 10990432), (16, 5495216), (17, 5171968), (32, 2747608), (34, 2585984), (64, 1373804), (68, 1292992), (89, 987904), (128, 686902), (136, 646496), (178, 493952), (227, 387328), (256, 343451), (272, 323248), (356, 246976), (454, 193664), (544, 161624), (712, 123488), (908, 96832), (1088, 80812), (1424, 61744), (1513, 58112), (1816, 48416), (2176, 40406), (2848, 30872), (3026, 29056), (3632, 24208), (3859, 22784), (4352, 20203), (5696, 15436), (6052, 14528), (7264, 12104), (7718, 11392)]