81990078

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 179891712

約数和(自身を除く): 97901634

約数列:

[1, 2, 3, 6, 23, 41, 43, 46, 69, 82, 86, 123, 129, 138, 246, 258, 337, 674, 943, 989, 1011, 1763, 1886, 1978, 2022, 2829, 2967, 3526, 5289, 5658, 5934, 7751, 10578, 13817, 14491, 15502, 23253, 27634, 28982, 40549, 41451, 43473, 46506, 81098, 82902, 86946, 121647, 243294, 317791, 333293, 594131, 635582, 666586, 953373, 999879, 1188262, 1782393, 1906746, 1999758, 3564786, 13665013, 27330026, 40995039, 81990078]

約数ペア:

[(1, 81990078), (2, 40995039), (3, 27330026), (6, 13665013), (23, 3564786), (41, 1999758), (43, 1906746), (46, 1782393), (69, 1188262), (82, 999879), (86, 953373), (123, 666586), (129, 635582), (138, 594131), (246, 333293), (258, 317791), (337, 243294), (674, 121647), (943, 86946), (989, 82902), (1011, 81098), (1763, 46506), (1886, 43473), (1978, 41451), (2022, 40549), (2829, 28982), (2967, 27634), (3526, 23253), (5289, 15502), (5658, 14491), (5934, 13817), (7751, 10578)]