208520732

素因数分解:

$2^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 423897600

約数和(自身を除く): 215376868

約数列:

[1, 2, 4, 7, 14, 28, 149, 151, 298, 302, 331, 596, 604, 662, 1043, 1057, 1324, 2086, 2114, 2317, 4172, 4228, 4634, 9268, 22499, 44998, 49319, 49981, 89996, 98638, 99962, 157493, 197276, 199924, 314986, 345233, 349867, 629972, 690466, 699734, 1380932, 1399468, 7447169, 14894338, 29788676, 52130183, 104260366, 208520732]

約数ペア:

[(1, 208520732), (2, 104260366), (4, 52130183), (7, 29788676), (14, 14894338), (28, 7447169), (149, 1399468), (151, 1380932), (298, 699734), (302, 690466), (331, 629972), (596, 349867), (604, 345233), (662, 314986), (1043, 199924), (1057, 197276), (1324, 157493), (2086, 99962), (2114, 98638), (2317, 89996), (4172, 49981), (4228, 49319), (4634, 44998), (9268, 22499)]