66681992

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 146868480

約数和(自身を除く): 80186488

約数列:

[1, 2, 4, 8, 13, 26, 31, 37, 43, 52, 62, 74, 86, 104, 124, 148, 169, 172, 248, 296, 338, 344, 403, 481, 559, 676, 806, 962, 1118, 1147, 1333, 1352, 1591, 1612, 1924, 2236, 2294, 2666, 3182, 3224, 3848, 4472, 4588, 5239, 5332, 6253, 6364, 7267, 9176, 10478, 10664, 12506, 12728, 14534, 14911, 17329, 20683, 20956, 25012, 29068, 29822, 34658, 41366, 41912, 49321, 50024, 58136, 59644, 69316, 82732, 98642, 119288, 138632, 165464, 193843, 197284, 225277, 268879, 387686, 394568, 450554, 537758, 641173, 775372, 901108, 1075516, 1282346, 1550744, 1802216, 2151032, 2564692, 5129384, 8335249, 16670498, 33340996, 66681992]

約数ペア:

[(1, 66681992), (2, 33340996), (4, 16670498), (8, 8335249), (13, 5129384), (26, 2564692), (31, 2151032), (37, 1802216), (43, 1550744), (52, 1282346), (62, 1075516), (74, 901108), (86, 775372), (104, 641173), (124, 537758), (148, 450554), (169, 394568), (172, 387686), (248, 268879), (296, 225277), (338, 197284), (344, 193843), (403, 165464), (481, 138632), (559, 119288), (676, 98642), (806, 82732), (962, 69316), (1118, 59644), (1147, 58136), (1333, 50024), (1352, 49321), (1591, 41912), (1612, 41366), (1924, 34658), (2236, 29822), (2294, 29068), (2666, 25012), (3182, 20956), (3224, 20683), (3848, 17329), (4472, 14911), (4588, 14534), (5239, 12728), (5332, 12506), (6253, 10664), (6364, 10478), (7267, 9176)]