638482012

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1\times {\mathrm{1217}}^1$

素因数の和:1726

約数の個数: 48

約数和(自身を含む): 1312049088

約数和(自身を除く): 673567076

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 457, 574, 914, 1148, 1217, 1828, 2434, 3199, 4868, 6398, 8519, 12796, 17038, 18737, 34076, 37474, 49897, 74948, 99794, 131159, 199588, 262318, 349279, 524636, 556169, 698558, 1112338, 1397116, 2224676, 3893183, 7786366, 15572732, 22802929, 45605858, 91211716, 159620503, 319241006, 638482012]

約数ペア:

[(1, 638482012), (2, 319241006), (4, 159620503), (7, 91211716), (14, 45605858), (28, 22802929), (41, 15572732), (82, 7786366), (164, 3893183), (287, 2224676), (457, 1397116), (574, 1112338), (914, 698558), (1148, 556169), (1217, 524636), (1828, 349279), (2434, 262318), (3199, 199588), (4868, 131159), (6398, 99794), (8519, 74948), (12796, 49897), (17038, 37474), (18737, 34076)]