638857856

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^2\times {\mathrm{4219}}^1$

素因数の和:4266

約数の個数: 96

約数和(自身を含む): 1575410400

約数和(自身を除く): 936552544

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 169, 182, 208, 224, 338, 364, 416, 448, 676, 728, 832, 896, 1183, 1352, 1456, 1664, 2366, 2704, 2912, 4219, 4732, 5408, 5824, 8438, 9464, 10816, 11648, 16876, 18928, 21632, 29533, 33752, 37856, 54847, 59066, 67504, 75712, 109694, 118132, 135008, 151424, 219388, 236264, 270016, 383929, 438776, 472528, 540032, 713011, 767858, 877552, 945056, 1426022, 1535716, 1755104, 1890112, 2852044, 3071432, 3510208, 3780224, 4991077, 5704088, 6142864, 7020416, 9982154, 11408176, 12285728, 19964308, 22816352, 24571456, 39928616, 45632704, 49142912, 79857232, 91265408, 159714464, 319428928, 638857856]

約数ペア:

[(1, 638857856), (2, 319428928), (4, 159714464), (7, 91265408), (8, 79857232), (13, 49142912), (14, 45632704), (16, 39928616), (26, 24571456), (28, 22816352), (32, 19964308), (52, 12285728), (56, 11408176), (64, 9982154), (91, 7020416), (104, 6142864), (112, 5704088), (128, 4991077), (169, 3780224), (182, 3510208), (208, 3071432), (224, 2852044), (338, 1890112), (364, 1755104), (416, 1535716), (448, 1426022), (676, 945056), (728, 877552), (832, 767858), (896, 713011), (1183, 540032), (1352, 472528), (1456, 438776), (1664, 383929), (2366, 270016), (2704, 236264), (2912, 219388), (4219, 151424), (4732, 135008), (5408, 118132), (5824, 109694), (8438, 75712), (9464, 67504), (10816, 59066), (11648, 54847), (16876, 37856), (18928, 33752), (21632, 29533)]