25555222

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 50761728

約数和(自身を除く): 25206506

約数列:

[1, 2, 7, 11, 14, 22, 31, 53, 62, 77, 101, 106, 154, 202, 217, 341, 371, 434, 583, 682, 707, 742, 1111, 1166, 1414, 1643, 2222, 2387, 3131, 3286, 4081, 4774, 5353, 6262, 7777, 8162, 10706, 11501, 15554, 18073, 21917, 23002, 34441, 36146, 37471, 43834, 58883, 68882, 74942, 117766, 126511, 165943, 241087, 253022, 331886, 412181, 482174, 824362, 1161601, 1825373, 2323202, 3650746, 12777611, 25555222]

約数ペア:

[(1, 25555222), (2, 12777611), (7, 3650746), (11, 2323202), (14, 1825373), (22, 1161601), (31, 824362), (53, 482174), (62, 412181), (77, 331886), (101, 253022), (106, 241087), (154, 165943), (202, 126511), (217, 117766), (341, 74942), (371, 68882), (434, 58883), (583, 43834), (682, 37471), (707, 36146), (742, 34441), (1111, 23002), (1166, 21917), (1414, 18073), (1643, 15554), (2222, 11501), (2387, 10706), (3131, 8162), (3286, 7777), (4081, 6262), (4774, 5353)]