64453788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1019}}^1$

素因数の和:1287

約数の個数: 72

約数和(自身を含む): 187125120

約数和(自身を除く): 122671332

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 251, 252, 502, 753, 1004, 1019, 1506, 1757, 2038, 2259, 3012, 3057, 3514, 4076, 4518, 5271, 6114, 7028, 7133, 9036, 9171, 10542, 12228, 14266, 15813, 18342, 21084, 21399, 28532, 31626, 36684, 42798, 63252, 64197, 85596, 128394, 255769, 256788, 511538, 767307, 1023076, 1534614, 1790383, 2301921, 3069228, 3580766, 4603842, 5371149, 7161532, 9207684, 10742298, 16113447, 21484596, 32226894, 64453788]

約数ペア:

[(1, 64453788), (2, 32226894), (3, 21484596), (4, 16113447), (6, 10742298), (7, 9207684), (9, 7161532), (12, 5371149), (14, 4603842), (18, 3580766), (21, 3069228), (28, 2301921), (36, 1790383), (42, 1534614), (63, 1023076), (84, 767307), (126, 511538), (251, 256788), (252, 255769), (502, 128394), (753, 85596), (1004, 64197), (1019, 63252), (1506, 42798), (1757, 36684), (2038, 31626), (2259, 28532), (3012, 21399), (3057, 21084), (3514, 18342), (4076, 15813), (4518, 14266), (5271, 12228), (6114, 10542), (7028, 9171), (7133, 9036)]