281308708356

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{20261359}}^1$

素因数の和:20261468

約数の個数: 48

約数和(自身を含む): 714820780800

約数和(自身を除く): 433512072444

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 89, 156, 178, 267, 356, 534, 1068, 1157, 2314, 3471, 4628, 6942, 13884, 20261359, 40522718, 60784077, 81045436, 121568154, 243136308, 263397667, 526795334, 790193001, 1053590668, 1580386002, 1803260951, 3160772004, 3606521902, 5409782853, 7213043804, 10819565706, 21639131412, 23442392363, 46884784726, 70327177089, 93769569452, 140654354178, 281308708356]

約数ペア:

[(1, 281308708356), (2, 140654354178), (3, 93769569452), (4, 70327177089), (6, 46884784726), (12, 23442392363), (13, 21639131412), (26, 10819565706), (39, 7213043804), (52, 5409782853), (78, 3606521902), (89, 3160772004), (156, 1803260951), (178, 1580386002), (267, 1053590668), (356, 790193001), (534, 526795334), (1068, 263397667), (1157, 243136308), (2314, 121568154), (3471, 81045436), (4628, 60784077), (6942, 40522718), (13884, 20261359)]