158990545

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{647}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 239345280

約数和(自身を除く): 80354735

約数列:

[1, 5, 7, 17, 35, 49, 59, 85, 119, 245, 295, 413, 595, 647, 833, 1003, 2065, 2891, 3235, 4165, 4529, 5015, 7021, 10999, 14455, 22645, 31703, 35105, 38173, 49147, 54995, 76993, 158515, 190865, 245735, 267211, 384965, 538951, 648941, 1336055, 1870477, 2694755, 3244705, 4542587, 9352385, 22712935, 31798109, 158990545]

約数ペア:

[(1, 158990545), (5, 31798109), (7, 22712935), (17, 9352385), (35, 4542587), (49, 3244705), (59, 2694755), (85, 1870477), (119, 1336055), (245, 648941), (295, 538951), (413, 384965), (595, 267211), (647, 245735), (833, 190865), (1003, 158515), (2065, 76993), (2891, 54995), (3235, 49147), (4165, 38173), (4529, 35105), (5015, 31703), (7021, 22645), (10999, 14455)]