1291363690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{2311}}^1$

素因数の和:2527

約数の個数: 64

約数和(自身を含む): 2606826240

約数和(自身を除く): 1315462550

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 173, 190, 323, 346, 646, 865, 1615, 1730, 2311, 2941, 3230, 3287, 4622, 5882, 6574, 11555, 14705, 16435, 23110, 29410, 32870, 39287, 43909, 55879, 78574, 87818, 111758, 196435, 219545, 279395, 392870, 399803, 439090, 558790, 746453, 799606, 1492906, 1999015, 3732265, 3998030, 6796651, 7464530, 7596257, 13593302, 15192514, 33983255, 37981285, 67966510, 75962570, 129136369, 258272738, 645681845, 1291363690]

約数ペア:

[(1, 1291363690), (2, 645681845), (5, 258272738), (10, 129136369), (17, 75962570), (19, 67966510), (34, 37981285), (38, 33983255), (85, 15192514), (95, 13593302), (170, 7596257), (173, 7464530), (190, 6796651), (323, 3998030), (346, 3732265), (646, 1999015), (865, 1492906), (1615, 799606), (1730, 746453), (2311, 558790), (2941, 439090), (3230, 399803), (3287, 392870), (4622, 279395), (5882, 219545), (6574, 196435), (11555, 111758), (14705, 87818), (16435, 78574), (23110, 55879), (29410, 43909), (32870, 39287)]