1279841030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{138661}}^1$

素因数の和:138752

約数の個数: 32

約数和(自身を含む): 2515883328

約数和(自身を除く): 1236042298

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 138661, 277322, 693305, 1386610, 1802593, 3605186, 9012965, 9844931, 18025930, 19689862, 49224655, 98449310, 127984103, 255968206, 639920515, 1279841030]

約数ペア:

[(1, 1279841030), (2, 639920515), (5, 255968206), (10, 127984103), (13, 98449310), (26, 49224655), (65, 19689862), (71, 18025930), (130, 9844931), (142, 9012965), (355, 3605186), (710, 1802593), (923, 1386610), (1846, 693305), (4615, 277322), (9230, 138661)]