279915376

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{7963}}^1$

素因数の和:8010

約数の個数: 40

約数和(自身を含む): 587583920

約数和(自身を除く): 307668544

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2197, 2704, 4394, 7963, 8788, 15926, 17576, 31852, 35152, 63704, 103519, 127408, 207038, 414076, 828152, 1345747, 1656304, 2691494, 5382988, 10765976, 17494711, 21531952, 34989422, 69978844, 139957688, 279915376]

約数ペア:

[(1, 279915376), (2, 139957688), (4, 69978844), (8, 34989422), (13, 21531952), (16, 17494711), (26, 10765976), (52, 5382988), (104, 2691494), (169, 1656304), (208, 1345747), (338, 828152), (676, 414076), (1352, 207038), (2197, 127408), (2704, 103519), (4394, 63704), (7963, 35152), (8788, 31852), (15926, 17576)]