668761088

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{929}}^1$

素因数の和:1005

約数の個数: 88

約数和(自身を含む): 1446819600

約数和(自身を除く): 778058512

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 64, 74, 76, 128, 148, 152, 256, 296, 304, 512, 592, 608, 703, 929, 1024, 1184, 1216, 1406, 1858, 2368, 2432, 2812, 3716, 4736, 4864, 5624, 7432, 9472, 9728, 11248, 14864, 17651, 18944, 19456, 22496, 29728, 34373, 35302, 37888, 44992, 59456, 68746, 70604, 89984, 118912, 137492, 141208, 179968, 237824, 274984, 282416, 359936, 475648, 549968, 564832, 653087, 719872, 951296, 1099936, 1129664, 1306174, 2199872, 2259328, 2612348, 4399744, 4518656, 5224696, 8799488, 9037312, 10449392, 17598976, 18074624, 20898784, 35197952, 41797568, 83595136, 167190272, 334380544, 668761088]

約数ペア:

[(1, 668761088), (2, 334380544), (4, 167190272), (8, 83595136), (16, 41797568), (19, 35197952), (32, 20898784), (37, 18074624), (38, 17598976), (64, 10449392), (74, 9037312), (76, 8799488), (128, 5224696), (148, 4518656), (152, 4399744), (256, 2612348), (296, 2259328), (304, 2199872), (512, 1306174), (592, 1129664), (608, 1099936), (703, 951296), (929, 719872), (1024, 653087), (1184, 564832), (1216, 549968), (1406, 475648), (1858, 359936), (2368, 282416), (2432, 274984), (2812, 237824), (3716, 179968), (4736, 141208), (4864, 137492), (5624, 118912), (7432, 89984), (9472, 70604), (9728, 68746), (11248, 59456), (14864, 44992), (17651, 37888), (18944, 35302), (19456, 34373), (22496, 29728)]