221594692

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{797}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 434367360

約数和(自身を除く): 212772668

約数列:

[1, 2, 4, 11, 22, 44, 71, 89, 142, 178, 284, 356, 781, 797, 979, 1562, 1594, 1958, 3124, 3188, 3916, 6319, 8767, 12638, 17534, 25276, 35068, 56587, 69509, 70933, 113174, 139018, 141866, 226348, 278036, 283732, 622457, 780263, 1244914, 1560526, 2489828, 3121052, 5036243, 10072486, 20144972, 55398673, 110797346, 221594692]

約数ペア:

[(1, 221594692), (2, 110797346), (4, 55398673), (11, 20144972), (22, 10072486), (44, 5036243), (71, 3121052), (89, 2489828), (142, 1560526), (178, 1244914), (284, 780263), (356, 622457), (781, 283732), (797, 278036), (979, 226348), (1562, 141866), (1594, 139018), (1958, 113174), (3124, 70933), (3188, 69509), (3916, 56587), (6319, 35068), (8767, 25276), (12638, 17534)]