31980592

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:258

約数の個数: 80

約数和(自身を含む): 74788864

約数和(自身を除く): 42808272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 61, 62, 112, 122, 124, 151, 217, 244, 248, 302, 427, 434, 488, 496, 604, 854, 868, 976, 1057, 1208, 1708, 1736, 1891, 2114, 2416, 3416, 3472, 3782, 4228, 4681, 6832, 7564, 8456, 9211, 9362, 13237, 15128, 16912, 18422, 18724, 26474, 30256, 32767, 36844, 37448, 52948, 64477, 65534, 73688, 74896, 105896, 128954, 131068, 147376, 211792, 257908, 262136, 285541, 515816, 524272, 571082, 1031632, 1142164, 1998787, 2284328, 3997574, 4568656, 7995148, 15990296, 31980592]

約数ペア:

[(1, 31980592), (2, 15990296), (4, 7995148), (7, 4568656), (8, 3997574), (14, 2284328), (16, 1998787), (28, 1142164), (31, 1031632), (56, 571082), (61, 524272), (62, 515816), (112, 285541), (122, 262136), (124, 257908), (151, 211792), (217, 147376), (244, 131068), (248, 128954), (302, 105896), (427, 74896), (434, 73688), (488, 65534), (496, 64477), (604, 52948), (854, 37448), (868, 36844), (976, 32767), (1057, 30256), (1208, 26474), (1708, 18724), (1736, 18422), (1891, 16912), (2114, 15128), (2416, 13237), (3416, 9362), (3472, 9211), (3782, 8456), (4228, 7564), (4681, 6832)]