1666887516

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{61819}}^1$

素因数の和:61943

約数の個数: 72

約数和(自身を含む): 4860535680

約数和(自身を除く): 3193648164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 107, 126, 214, 252, 321, 428, 642, 749, 963, 1284, 1498, 1926, 2247, 2996, 3852, 4494, 6741, 8988, 13482, 26964, 61819, 123638, 185457, 247276, 370914, 432733, 556371, 741828, 865466, 1112742, 1298199, 1730932, 2225484, 2596398, 3894597, 5192796, 6614633, 7789194, 13229266, 15578388, 19843899, 26458532, 39687798, 46302431, 59531697, 79375596, 92604862, 119063394, 138907293, 185209724, 238126788, 277814586, 416721879, 555629172, 833443758, 1666887516]

約数ペア:

[(1, 1666887516), (2, 833443758), (3, 555629172), (4, 416721879), (6, 277814586), (7, 238126788), (9, 185209724), (12, 138907293), (14, 119063394), (18, 92604862), (21, 79375596), (28, 59531697), (36, 46302431), (42, 39687798), (63, 26458532), (84, 19843899), (107, 15578388), (126, 13229266), (214, 7789194), (252, 6614633), (321, 5192796), (428, 3894597), (642, 2596398), (749, 2225484), (963, 1730932), (1284, 1298199), (1498, 1112742), (1926, 865466), (2247, 741828), (2996, 556371), (3852, 432733), (4494, 370914), (6741, 247276), (8988, 185457), (13482, 123638), (26964, 61819)]