78801664

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{953}}^1$

素因数の和:1005

約数の個数: 72

約数和(自身を含む): 175497840

約数和(自身を除く): 96696176

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 128, 136, 152, 256, 272, 304, 323, 544, 608, 646, 953, 1088, 1216, 1292, 1906, 2176, 2432, 2584, 3812, 4352, 4864, 5168, 7624, 10336, 15248, 16201, 18107, 20672, 30496, 32402, 36214, 41344, 60992, 64804, 72428, 82688, 121984, 129608, 144856, 243968, 259216, 289712, 307819, 518432, 579424, 615638, 1036864, 1158848, 1231276, 2073728, 2317696, 2462552, 4147456, 4635392, 4925104, 9850208, 19700416, 39400832, 78801664]

約数ペア:

[(1, 78801664), (2, 39400832), (4, 19700416), (8, 9850208), (16, 4925104), (17, 4635392), (19, 4147456), (32, 2462552), (34, 2317696), (38, 2073728), (64, 1231276), (68, 1158848), (76, 1036864), (128, 615638), (136, 579424), (152, 518432), (256, 307819), (272, 289712), (304, 259216), (323, 243968), (544, 144856), (608, 129608), (646, 121984), (953, 82688), (1088, 72428), (1216, 64804), (1292, 60992), (1906, 41344), (2176, 36214), (2432, 32402), (2584, 30496), (3812, 20672), (4352, 18107), (4864, 16201), (5168, 15248), (7624, 10336)]