28522921

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 7765079

約数列:

[1, 7, 23, 29, 41, 149, 161, 203, 287, 667, 943, 1043, 1189, 3427, 4321, 4669, 6109, 6601, 8323, 23989, 27347, 30247, 42763, 99383, 140507, 177161, 191429, 695681, 983549, 1240127, 4074703, 28522921]

約数ペア:

[(1, 28522921), (7, 4074703), (23, 1240127), (29, 983549), (41, 695681), (149, 191429), (161, 177161), (203, 140507), (287, 99383), (667, 42763), (943, 30247), (1043, 27347), (1189, 23989), (3427, 8323), (4321, 6601), (4669, 6109)]