1520342789

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 1813674240

約数和(自身を除く): 293331451

約数列:

[1, 7, 53, 83, 97, 371, 509, 581, 679, 3563, 4399, 5141, 8051, 26977, 30793, 35987, 42247, 49373, 56357, 188839, 295729, 345611, 426703, 2239091, 2616769, 2986921, 4097959, 15673637, 18317383, 28685713, 217191827, 1520342789]

約数ペア:

[(1, 1520342789), (7, 217191827), (53, 28685713), (83, 18317383), (97, 15673637), (371, 4097959), (509, 2986921), (581, 2616769), (679, 2239091), (3563, 426703), (4399, 345611), (5141, 295729), (8051, 188839), (26977, 56357), (30793, 49373), (35987, 42247)]