28277751395

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^4\times {\mathrm{61}}^1$

素因数の和:273

約数の個数: 40

約数和(自身を含む): 37094061840

約数和(自身を除く): 8816310445

約数列:

[1, 5, 19, 47, 61, 95, 235, 305, 893, 1159, 2209, 2867, 4465, 5795, 11045, 14335, 41971, 54473, 103823, 134749, 209855, 272365, 519115, 673745, 1972637, 2560231, 4879681, 6333203, 9863185, 12801155, 24398405, 31666015, 92713939, 120330857, 297660541, 463569695, 601654285, 1488302705, 5655550279, 28277751395]

約数ペア:

[(1, 28277751395), (5, 5655550279), (19, 1488302705), (47, 601654285), (61, 463569695), (95, 297660541), (235, 120330857), (305, 92713939), (893, 31666015), (1159, 24398405), (2209, 12801155), (2867, 9863185), (4465, 6333203), (5795, 4879681), (11045, 2560231), (14335, 1972637), (41971, 673745), (54473, 519115), (103823, 272365), (134749, 209855)]