1218097804

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{21149}}^1$

素因数の和:21199

約数の個数: 72

約数和(自身を含む): 2835453600

約数和(自身を除く): 1617355796

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 121, 154, 187, 238, 242, 308, 374, 476, 484, 748, 847, 1309, 1694, 2057, 2618, 3388, 4114, 5236, 8228, 14399, 21149, 28798, 42298, 57596, 84596, 148043, 232639, 296086, 359533, 465278, 592172, 719066, 930556, 1438132, 1628473, 2516731, 2559029, 3256946, 3954863, 5033462, 5118058, 6513892, 7909726, 10066924, 10236116, 15819452, 17913203, 27684041, 35826406, 43503493, 55368082, 71652812, 87006986, 110736164, 174013972, 304524451, 609048902, 1218097804]

約数ペア:

[(1, 1218097804), (2, 609048902), (4, 304524451), (7, 174013972), (11, 110736164), (14, 87006986), (17, 71652812), (22, 55368082), (28, 43503493), (34, 35826406), (44, 27684041), (68, 17913203), (77, 15819452), (119, 10236116), (121, 10066924), (154, 7909726), (187, 6513892), (238, 5118058), (242, 5033462), (308, 3954863), (374, 3256946), (476, 2559029), (484, 2516731), (748, 1628473), (847, 1438132), (1309, 930556), (1694, 719066), (2057, 592172), (2618, 465278), (3388, 359533), (4114, 296086), (5236, 232639), (8228, 148043), (14399, 84596), (21149, 57596), (28798, 42298)]