321319904

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{257}}^1\times {\mathrm{439}}^1$

素因数の和:795

約数の個数: 48

約数和(自身を含む): 643658400

約数和(自身を除く): 322338496

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 257, 356, 439, 514, 712, 878, 1028, 1424, 1756, 2056, 2848, 3512, 4112, 7024, 8224, 14048, 22873, 39071, 45746, 78142, 91492, 112823, 156284, 182984, 225646, 312568, 365968, 451292, 625136, 731936, 902584, 1250272, 1805168, 3610336, 10041247, 20082494, 40164988, 80329976, 160659952, 321319904]

約数ペア:

[(1, 321319904), (2, 160659952), (4, 80329976), (8, 40164988), (16, 20082494), (32, 10041247), (89, 3610336), (178, 1805168), (257, 1250272), (356, 902584), (439, 731936), (514, 625136), (712, 451292), (878, 365968), (1028, 312568), (1424, 225646), (1756, 182984), (2056, 156284), (2848, 112823), (3512, 91492), (4112, 78142), (7024, 45746), (8224, 39071), (14048, 22873)]