639830912

素因数分解:

$2^7\times 7^1\times {\mathrm{41}}^1\times {\mathrm{17417}}^1$

素因数の和:17479

約数の個数: 64

約数和(自身を含む): 1492374240

約数和(自身を除く): 852543328

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 112, 128, 164, 224, 287, 328, 448, 574, 656, 896, 1148, 1312, 2296, 2624, 4592, 5248, 9184, 17417, 18368, 34834, 36736, 69668, 121919, 139336, 243838, 278672, 487676, 557344, 714097, 975352, 1114688, 1428194, 1950704, 2229376, 2856388, 3901408, 4998679, 5712776, 7802816, 9997358, 11425552, 15605632, 19994716, 22851104, 39989432, 45702208, 79978864, 91404416, 159957728, 319915456, 639830912]

約数ペア:

[(1, 639830912), (2, 319915456), (4, 159957728), (7, 91404416), (8, 79978864), (14, 45702208), (16, 39989432), (28, 22851104), (32, 19994716), (41, 15605632), (56, 11425552), (64, 9997358), (82, 7802816), (112, 5712776), (128, 4998679), (164, 3901408), (224, 2856388), (287, 2229376), (328, 1950704), (448, 1428194), (574, 1114688), (656, 975352), (896, 714097), (1148, 557344), (1312, 487676), (2296, 278672), (2624, 243838), (4592, 139336), (5248, 121919), (9184, 69668), (17417, 36736), (18368, 34834)]