31180292

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{151}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 68104512

約数和(自身を除く): 36924220

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 143, 151, 209, 247, 286, 302, 361, 418, 494, 572, 604, 722, 836, 988, 1444, 1661, 1963, 2717, 2869, 3322, 3926, 3971, 4693, 5434, 5738, 6644, 7852, 7942, 9386, 10868, 11476, 15884, 18772, 21593, 31559, 37297, 43186, 51623, 54511, 63118, 74594, 86372, 103246, 109022, 126236, 149188, 206492, 218044, 410267, 599621, 708643, 820534, 1199242, 1417286, 1641068, 2398484, 2834572, 7795073, 15590146, 31180292]

約数ペア:

[(1, 31180292), (2, 15590146), (4, 7795073), (11, 2834572), (13, 2398484), (19, 1641068), (22, 1417286), (26, 1199242), (38, 820534), (44, 708643), (52, 599621), (76, 410267), (143, 218044), (151, 206492), (209, 149188), (247, 126236), (286, 109022), (302, 103246), (361, 86372), (418, 74594), (494, 63118), (572, 54511), (604, 51623), (722, 43186), (836, 37297), (988, 31559), (1444, 21593), (1661, 18772), (1963, 15884), (2717, 11476), (2869, 10868), (3322, 9386), (3926, 7942), (3971, 7852), (4693, 6644), (5434, 5738)]