81354276

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1433}}^1$

素因数の和:1545

約数の個数: 72

約数和(自身を含む): 219229920

約数和(自身を除く): 137875644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 83, 114, 166, 171, 228, 249, 332, 342, 498, 684, 747, 996, 1433, 1494, 1577, 2866, 2988, 3154, 4299, 4731, 5732, 6308, 8598, 9462, 12897, 14193, 17196, 18924, 25794, 27227, 28386, 51588, 54454, 56772, 81681, 108908, 118939, 163362, 237878, 245043, 326724, 356817, 475756, 490086, 713634, 980172, 1070451, 1427268, 2140902, 2259841, 4281804, 4519682, 6779523, 9039364, 13559046, 20338569, 27118092, 40677138, 81354276]

約数ペア:

[(1, 81354276), (2, 40677138), (3, 27118092), (4, 20338569), (6, 13559046), (9, 9039364), (12, 6779523), (18, 4519682), (19, 4281804), (36, 2259841), (38, 2140902), (57, 1427268), (76, 1070451), (83, 980172), (114, 713634), (166, 490086), (171, 475756), (228, 356817), (249, 326724), (332, 245043), (342, 237878), (498, 163362), (684, 118939), (747, 108908), (996, 81681), (1433, 56772), (1494, 54454), (1577, 51588), (2866, 28386), (2988, 27227), (3154, 25794), (4299, 18924), (4731, 17196), (5732, 14193), (6308, 12897), (8598, 9462)]