65648648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{33223}}^1$

素因数の和:33261

約数の個数: 32

約数和(自身を含む): 139540800

約数和(自身を除く): 73892152

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 33223, 66446, 132892, 265784, 431899, 631237, 863798, 1262474, 1727596, 2524948, 3455192, 5049896, 8206081, 16412162, 32824324, 65648648]

約数ペア:

[(1, 65648648), (2, 32824324), (4, 16412162), (8, 8206081), (13, 5049896), (19, 3455192), (26, 2524948), (38, 1727596), (52, 1262474), (76, 863798), (104, 631237), (152, 431899), (247, 265784), (494, 132892), (988, 66446), (1976, 33223)]