25555816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 57153600

約数和(自身を除く): 31597784

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 89, 104, 143, 178, 251, 286, 356, 502, 572, 712, 979, 1004, 1144, 1157, 1958, 2008, 2314, 2761, 3263, 3916, 4628, 5522, 6526, 7832, 9256, 11044, 12727, 13052, 22088, 22339, 25454, 26104, 35893, 44678, 50908, 71786, 89356, 101816, 143572, 178712, 245729, 287144, 290407, 491458, 580814, 982916, 1161628, 1965832, 2323256, 3194477, 6388954, 12777908, 25555816]

約数ペア:

[(1, 25555816), (2, 12777908), (4, 6388954), (8, 3194477), (11, 2323256), (13, 1965832), (22, 1161628), (26, 982916), (44, 580814), (52, 491458), (88, 290407), (89, 287144), (104, 245729), (143, 178712), (178, 143572), (251, 101816), (286, 89356), (356, 71786), (502, 50908), (572, 44678), (712, 35893), (979, 26104), (1004, 25454), (1144, 22339), (1157, 22088), (1958, 13052), (2008, 12727), (2314, 11044), (2761, 9256), (3263, 7832), (3916, 6526), (4628, 5522)]