647034580225

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{419}}^1\times {\mathrm{12451}}^1$

素因数の和:12943

約数の個数: 72

約数和(自身を含む): 905630473440

約数和(自身を除く): 258595893215

約数列:

[1, 5, 11, 25, 41, 55, 121, 205, 275, 419, 451, 605, 1025, 2095, 2255, 3025, 4609, 4961, 10475, 11275, 12451, 17179, 23045, 24805, 50699, 62255, 85895, 115225, 124025, 136961, 188969, 253495, 311275, 429475, 510491, 684805, 944845, 1267475, 1506571, 2078659, 2552455, 3424025, 4724225, 5216969, 5615401, 7532855, 10393295, 12762275, 26084845, 28077005, 37664275, 51966475, 57386659, 61769411, 130424225, 140385025, 213895729, 286933295, 308847055, 631253249, 1069478645, 1434666475, 1544235275, 2352853019, 3156266245, 5347393225, 11764265095, 15781331225, 25881383209, 58821325475, 129406916045, 647034580225]

約数ペア:

[(1, 647034580225), (5, 129406916045), (11, 58821325475), (25, 25881383209), (41, 15781331225), (55, 11764265095), (121, 5347393225), (205, 3156266245), (275, 2352853019), (419, 1544235275), (451, 1434666475), (605, 1069478645), (1025, 631253249), (2095, 308847055), (2255, 286933295), (3025, 213895729), (4609, 140385025), (4961, 130424225), (10475, 61769411), (11275, 57386659), (12451, 51966475), (17179, 37664275), (23045, 28077005), (24805, 26084845), (50699, 12762275), (62255, 10393295), (85895, 7532855), (115225, 5615401), (124025, 5216969), (136961, 4724225), (188969, 3424025), (253495, 2552455), (311275, 2078659), (429475, 1506571), (510491, 1267475), (684805, 944845)]