397143790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{4093}}^1$

素因数の和:4444

約数の個数: 32

約数和(自身を含む): 740457216

約数和(自身を除く): 343313426

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 313, 626, 1565, 3130, 4093, 8186, 9703, 19406, 20465, 40930, 48515, 97030, 126883, 253766, 634415, 1268830, 1281109, 2562218, 6405545, 12811090, 39714379, 79428758, 198571895, 397143790]

約数ペア:

[(1, 397143790), (2, 198571895), (5, 79428758), (10, 39714379), (31, 12811090), (62, 6405545), (155, 2562218), (310, 1281109), (313, 1268830), (626, 634415), (1565, 253766), (3130, 126883), (4093, 97030), (8186, 48515), (9703, 40930), (19406, 20465)]