1971644376

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1\times {\mathrm{367}}^1$

素因数の和:713

約数の個数: 128

約数和(自身を含む): 5423201280

約数和(自身を除く): 3451556904

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 67, 78, 104, 134, 156, 201, 257, 268, 312, 367, 402, 514, 536, 734, 771, 804, 871, 1028, 1101, 1468, 1542, 1608, 1742, 2056, 2202, 2613, 2936, 3084, 3341, 3484, 4404, 4771, 5226, 6168, 6682, 6968, 8808, 9542, 10023, 10452, 13364, 14313, 17219, 19084, 20046, 20904, 24589, 26728, 28626, 34438, 38168, 40092, 49178, 51657, 57252, 68876, 73767, 80184, 94319, 98356, 103314, 114504, 137752, 147534, 188638, 196712, 206628, 223847, 282957, 295068, 319657, 377276, 413256, 447694, 565914, 590136, 639314, 671541, 754552, 895388, 958971, 1131828, 1226147, 1278628, 1343082, 1790776, 1917942, 2263656, 2452294, 2557256, 2686164, 3678441, 3835884, 4904588, 5372328, 6319373, 7356882, 7671768, 9809176, 12638746, 14713764, 18958119, 25277492, 29427528, 37916238, 50554984, 75832476, 82151849, 151664952, 164303698, 246455547, 328607396, 492911094, 657214792, 985822188, 1971644376]

約数ペア:

[(1, 1971644376), (2, 985822188), (3, 657214792), (4, 492911094), (6, 328607396), (8, 246455547), (12, 164303698), (13, 151664952), (24, 82151849), (26, 75832476), (39, 50554984), (52, 37916238), (67, 29427528), (78, 25277492), (104, 18958119), (134, 14713764), (156, 12638746), (201, 9809176), (257, 7671768), (268, 7356882), (312, 6319373), (367, 5372328), (402, 4904588), (514, 3835884), (536, 3678441), (734, 2686164), (771, 2557256), (804, 2452294), (871, 2263656), (1028, 1917942), (1101, 1790776), (1468, 1343082), (1542, 1278628), (1608, 1226147), (1742, 1131828), (2056, 958971), (2202, 895388), (2613, 754552), (2936, 671541), (3084, 639314), (3341, 590136), (3484, 565914), (4404, 447694), (4771, 413256), (5226, 377276), (6168, 319657), (6682, 295068), (6968, 282957), (8808, 223847), (9542, 206628), (10023, 196712), (10452, 188638), (13364, 147534), (14313, 137752), (17219, 114504), (19084, 103314), (20046, 98356), (20904, 94319), (24589, 80184), (26728, 73767), (28626, 68876), (34438, 57252), (38168, 51657), (40092, 49178)]