66821556

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^2$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 170474080

約数和(自身を除く): 103652524

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 57, 74, 76, 89, 111, 114, 148, 178, 222, 228, 267, 356, 444, 534, 703, 1068, 1406, 1691, 2109, 2812, 3293, 3382, 4218, 5073, 6586, 6764, 7921, 8436, 9879, 10146, 13172, 15842, 19758, 20292, 23763, 31684, 39516, 47526, 62567, 95052, 125134, 150499, 187701, 250268, 293077, 300998, 375402, 451497, 586154, 601996, 750804, 879231, 902994, 1172308, 1758462, 1805988, 3516924, 5568463, 11136926, 16705389, 22273852, 33410778, 66821556]

約数ペア:

[(1, 66821556), (2, 33410778), (3, 22273852), (4, 16705389), (6, 11136926), (12, 5568463), (19, 3516924), (37, 1805988), (38, 1758462), (57, 1172308), (74, 902994), (76, 879231), (89, 750804), (111, 601996), (114, 586154), (148, 451497), (178, 375402), (222, 300998), (228, 293077), (267, 250268), (356, 187701), (444, 150499), (534, 125134), (703, 95052), (1068, 62567), (1406, 47526), (1691, 39516), (2109, 31684), (2812, 23763), (3293, 20292), (3382, 19758), (4218, 15842), (5073, 13172), (6586, 10146), (6764, 9879), (7921, 8436)]