25639816

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 53625600

約数和(自身を除く): 27985784

約数列:

[1, 2, 4, 8, 19, 37, 38, 47, 74, 76, 94, 97, 148, 152, 188, 194, 296, 376, 388, 703, 776, 893, 1406, 1739, 1786, 1843, 2812, 3478, 3572, 3589, 3686, 4559, 5624, 6956, 7144, 7178, 7372, 9118, 13912, 14356, 14744, 18236, 28712, 33041, 36472, 66082, 68191, 86621, 132164, 136382, 168683, 173242, 264328, 272764, 337366, 346484, 545528, 674732, 692968, 1349464, 3204977, 6409954, 12819908, 25639816]

約数ペア:

[(1, 25639816), (2, 12819908), (4, 6409954), (8, 3204977), (19, 1349464), (37, 692968), (38, 674732), (47, 545528), (74, 346484), (76, 337366), (94, 272764), (97, 264328), (148, 173242), (152, 168683), (188, 136382), (194, 132164), (296, 86621), (376, 68191), (388, 66082), (703, 36472), (776, 33041), (893, 28712), (1406, 18236), (1739, 14744), (1786, 14356), (1843, 13912), (2812, 9118), (3478, 7372), (3572, 7178), (3589, 7144), (3686, 6956), (4559, 5624)]