71622928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:236

約数の個数: 80

約数和(自身を含む): 156083760

約数和(自身を除く): 84460832

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 73, 89, 104, 106, 146, 178, 208, 212, 292, 356, 424, 584, 689, 712, 848, 949, 1157, 1168, 1378, 1424, 1898, 2314, 2756, 3796, 3869, 4628, 4717, 5512, 6497, 7592, 7738, 9256, 9434, 11024, 12994, 15184, 15476, 18512, 18868, 25988, 30952, 37736, 50297, 51976, 61321, 61904, 75472, 84461, 100594, 103952, 122642, 168922, 201188, 245284, 337844, 344341, 402376, 490568, 675688, 688682, 804752, 981136, 1351376, 1377364, 2754728, 4476433, 5509456, 8952866, 17905732, 35811464, 71622928]

約数ペア:

[(1, 71622928), (2, 35811464), (4, 17905732), (8, 8952866), (13, 5509456), (16, 4476433), (26, 2754728), (52, 1377364), (53, 1351376), (73, 981136), (89, 804752), (104, 688682), (106, 675688), (146, 490568), (178, 402376), (208, 344341), (212, 337844), (292, 245284), (356, 201188), (424, 168922), (584, 122642), (689, 103952), (712, 100594), (848, 84461), (949, 75472), (1157, 61904), (1168, 61321), (1378, 51976), (1424, 50297), (1898, 37736), (2314, 30952), (2756, 25988), (3796, 18868), (3869, 18512), (4628, 15476), (4717, 15184), (5512, 12994), (6497, 11024), (7592, 9434), (7738, 9256)]