28808110838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{683}}^1\times {\mathrm{1217}}^1$

素因数の和:1989

約数の個数: 64

約数和(自身を含む): 49266911232

約数和(自身を除く): 20458800394

約数列:

[1, 2, 13, 26, 31, 43, 62, 86, 403, 559, 683, 806, 1118, 1217, 1333, 1366, 2434, 2666, 8879, 15821, 17329, 17758, 21173, 29369, 31642, 34658, 37727, 42346, 52331, 58738, 75454, 104662, 275249, 381797, 490451, 550498, 680303, 763594, 831211, 910439, 980902, 1360606, 1622261, 1662422, 1820878, 3244522, 10805743, 11835707, 21089393, 21611486, 23671414, 25767541, 35742073, 42178786, 51535082, 71484146, 334978033, 464646949, 669956066, 929293898, 1108004263, 2216008526, 14404055419, 28808110838]

約数ペア:

[(1, 28808110838), (2, 14404055419), (13, 2216008526), (26, 1108004263), (31, 929293898), (43, 669956066), (62, 464646949), (86, 334978033), (403, 71484146), (559, 51535082), (683, 42178786), (806, 35742073), (1118, 25767541), (1217, 23671414), (1333, 21611486), (1366, 21089393), (2434, 11835707), (2666, 10805743), (8879, 3244522), (15821, 1820878), (17329, 1662422), (17758, 1622261), (21173, 1360606), (29369, 980902), (31642, 910439), (34658, 831211), (37727, 763594), (42346, 680303), (52331, 550498), (58738, 490451), (75454, 381797), (104662, 275249)]