28860444

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:555

約数の個数: 72

約数和(自身を含む): 76684608

約数和(自身を除く): 47824164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 47, 74, 94, 111, 141, 148, 188, 222, 282, 333, 423, 444, 461, 564, 666, 846, 922, 1332, 1383, 1692, 1739, 1844, 2766, 3478, 4149, 5217, 5532, 6956, 8298, 10434, 15651, 16596, 17057, 20868, 21667, 31302, 34114, 43334, 51171, 62604, 65001, 68228, 86668, 102342, 130002, 153513, 195003, 204684, 260004, 307026, 390006, 614052, 780012, 801679, 1603358, 2405037, 3206716, 4810074, 7215111, 9620148, 14430222, 28860444]

約数ペア:

[(1, 28860444), (2, 14430222), (3, 9620148), (4, 7215111), (6, 4810074), (9, 3206716), (12, 2405037), (18, 1603358), (36, 801679), (37, 780012), (47, 614052), (74, 390006), (94, 307026), (111, 260004), (141, 204684), (148, 195003), (188, 153513), (222, 130002), (282, 102342), (333, 86668), (423, 68228), (444, 65001), (461, 62604), (564, 51171), (666, 43334), (846, 34114), (922, 31302), (1332, 21667), (1383, 20868), (1692, 17057), (1739, 16596), (1844, 15651), (2766, 10434), (3478, 8298), (4149, 6956), (5217, 5532)]