31591672

素因数分解:

$2^3\times 7^3\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:453

約数の個数: 64

約数和(自身を含む): 71640000

約数和(自身を除く): 40048328

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 49, 56, 58, 98, 116, 196, 203, 232, 343, 392, 397, 406, 686, 794, 812, 1372, 1421, 1588, 1624, 2744, 2779, 2842, 3176, 5558, 5684, 9947, 11116, 11368, 11513, 19453, 19894, 22232, 23026, 38906, 39788, 46052, 77812, 79576, 80591, 92104, 136171, 155624, 161182, 272342, 322364, 544684, 564137, 644728, 1089368, 1128274, 2256548, 3948959, 4513096, 7897918, 15795836, 31591672]

約数ペア:

[(1, 31591672), (2, 15795836), (4, 7897918), (7, 4513096), (8, 3948959), (14, 2256548), (28, 1128274), (29, 1089368), (49, 644728), (56, 564137), (58, 544684), (98, 322364), (116, 272342), (196, 161182), (203, 155624), (232, 136171), (343, 92104), (392, 80591), (397, 79576), (406, 77812), (686, 46052), (794, 39788), (812, 38906), (1372, 23026), (1421, 22232), (1588, 19894), (1624, 19453), (2744, 11513), (2779, 11368), (2842, 11116), (3176, 9947), (5558, 5684)]