25369864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 55540800

約数和(自身を除く): 30170936

約数列:

[1, 2, 4, 8, 13, 19, 26, 37, 38, 52, 74, 76, 104, 148, 152, 247, 296, 347, 481, 494, 694, 703, 962, 988, 1388, 1406, 1924, 1976, 2776, 2812, 3848, 4511, 5624, 6593, 9022, 9139, 12839, 13186, 18044, 18278, 25678, 26372, 36088, 36556, 51356, 52744, 73112, 85709, 102712, 166907, 171418, 243941, 333814, 342836, 487882, 667628, 685672, 975764, 1335256, 1951528, 3171233, 6342466, 12684932, 25369864]

約数ペア:

[(1, 25369864), (2, 12684932), (4, 6342466), (8, 3171233), (13, 1951528), (19, 1335256), (26, 975764), (37, 685672), (38, 667628), (52, 487882), (74, 342836), (76, 333814), (104, 243941), (148, 171418), (152, 166907), (247, 102712), (296, 85709), (347, 73112), (481, 52744), (494, 51356), (694, 36556), (703, 36088), (962, 26372), (988, 25678), (1388, 18278), (1406, 18044), (1924, 13186), (1976, 12839), (2776, 9139), (2812, 9022), (3848, 6593), (4511, 5624)]