153978979

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1489}}^1$

素因数の和:1603

約数の個数: 32

約数和(自身を含む): 205977600

約数和(自身を除く): 51998621

約数列:

[1, 7, 11, 17, 77, 79, 119, 187, 553, 869, 1309, 1343, 1489, 6083, 9401, 10423, 14773, 16379, 25313, 103411, 114653, 117631, 177191, 278443, 823417, 1293941, 1949101, 1999727, 9057587, 13998089, 21996997, 153978979]

約数ペア:

[(1, 153978979), (7, 21996997), (11, 13998089), (17, 9057587), (77, 1999727), (79, 1949101), (119, 1293941), (187, 823417), (553, 278443), (869, 177191), (1309, 117631), (1343, 114653), (1489, 103411), (6083, 25313), (9401, 16379), (10423, 14773)]