644453784

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{52963}}^1$

素因数の和:53001

約数の個数: 72

約数和(自身を含む): 1890020340

約数和(自身を除く): 1245566556

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 169, 234, 312, 338, 468, 507, 676, 936, 1014, 1352, 1521, 2028, 3042, 4056, 6084, 12168, 52963, 105926, 158889, 211852, 317778, 423704, 476667, 635556, 688519, 953334, 1271112, 1377038, 1906668, 2065557, 2754076, 3813336, 4131114, 5508152, 6196671, 8262228, 8950747, 12393342, 16524456, 17901494, 24786684, 26852241, 35802988, 49573368, 53704482, 71605976, 80556723, 107408964, 161113446, 214817928, 322226892, 644453784]

約数ペア:

[(1, 644453784), (2, 322226892), (3, 214817928), (4, 161113446), (6, 107408964), (8, 80556723), (9, 71605976), (12, 53704482), (13, 49573368), (18, 35802988), (24, 26852241), (26, 24786684), (36, 17901494), (39, 16524456), (52, 12393342), (72, 8950747), (78, 8262228), (104, 6196671), (117, 5508152), (156, 4131114), (169, 3813336), (234, 2754076), (312, 2065557), (338, 1906668), (468, 1377038), (507, 1271112), (676, 953334), (936, 688519), (1014, 635556), (1352, 476667), (1521, 423704), (2028, 317778), (3042, 211852), (4056, 158889), (6084, 105926), (12168, 52963)]