61915984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15667}}^1$

素因数の和:15707

約数の個数: 40

約数和(自身を含む): 135998240

約数和(自身を除く): 74082256

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 15667, 31334, 62668, 125336, 203671, 250672, 297673, 407342, 595346, 814684, 1190692, 1629368, 2381384, 3258736, 3869749, 4762768, 7739498, 15478996, 30957992, 61915984]

約数ペア:

[(1, 61915984), (2, 30957992), (4, 15478996), (8, 7739498), (13, 4762768), (16, 3869749), (19, 3258736), (26, 2381384), (38, 1629368), (52, 1190692), (76, 814684), (104, 595346), (152, 407342), (208, 297673), (247, 250672), (304, 203671), (494, 125336), (988, 62668), (1976, 31334), (3952, 15667)]