1989317928

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{490463}}^1$

素因数の和:490498

約数の個数: 48

約数和(自身を含む): 5385294720

約数和(自身を除く): 3395976792

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 169, 312, 338, 507, 676, 1014, 1352, 2028, 4056, 490463, 980926, 1471389, 1961852, 2942778, 3923704, 5885556, 6376019, 11771112, 12752038, 19128057, 25504076, 38256114, 51008152, 76512228, 82888247, 153024456, 165776494, 248664741, 331552988, 497329482, 663105976, 994658964, 1989317928]

約数ペア:

[(1, 1989317928), (2, 994658964), (3, 663105976), (4, 497329482), (6, 331552988), (8, 248664741), (12, 165776494), (13, 153024456), (24, 82888247), (26, 76512228), (39, 51008152), (52, 38256114), (78, 25504076), (104, 19128057), (156, 12752038), (169, 11771112), (312, 6376019), (338, 5885556), (507, 3923704), (676, 2942778), (1014, 1961852), (1352, 1471389), (2028, 980926), (4056, 490463)]