421456788

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{397}}^1\times {\mathrm{797}}^1$

素因数の和:1241

約数の個数: 72

約数和(自身を含む): 1098274632

約数和(自身を除く): 676817844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 397, 444, 666, 794, 797, 1191, 1332, 1588, 1594, 2382, 2391, 3188, 3573, 4764, 4782, 7146, 7173, 9564, 14292, 14346, 14689, 28692, 29378, 29489, 44067, 58756, 58978, 88134, 88467, 117956, 132201, 176268, 176934, 264402, 265401, 316409, 353868, 528804, 530802, 632818, 949227, 1061604, 1265636, 1898454, 2847681, 3796908, 5695362, 11390724, 11707133, 23414266, 35121399, 46828532, 70242798, 105364197, 140485596, 210728394, 421456788]

約数ペア:

[(1, 421456788), (2, 210728394), (3, 140485596), (4, 105364197), (6, 70242798), (9, 46828532), (12, 35121399), (18, 23414266), (36, 11707133), (37, 11390724), (74, 5695362), (111, 3796908), (148, 2847681), (222, 1898454), (333, 1265636), (397, 1061604), (444, 949227), (666, 632818), (794, 530802), (797, 528804), (1191, 353868), (1332, 316409), (1588, 265401), (1594, 264402), (2382, 176934), (2391, 176268), (3188, 132201), (3573, 117956), (4764, 88467), (4782, 88134), (7146, 58978), (7173, 58756), (9564, 44067), (14292, 29489), (14346, 29378), (14689, 28692)]