66823988

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{601}}^1$

素因数の和:661

約数の個数: 72

約数和(自身を含む): 154131264

約数和(自身を除く): 87307276

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 361, 418, 532, 601, 722, 836, 1202, 1444, 1463, 2404, 2527, 2926, 3971, 4207, 5054, 5852, 6611, 7942, 8414, 10108, 11419, 13222, 15884, 16828, 22838, 26444, 27797, 45676, 46277, 55594, 79933, 92554, 111188, 125609, 159866, 185108, 216961, 251218, 319732, 433922, 502436, 867844, 879263, 1518727, 1758526, 2386571, 3037454, 3517052, 4773142, 6074908, 9546284, 16705997, 33411994, 66823988]

約数ペア:

[(1, 66823988), (2, 33411994), (4, 16705997), (7, 9546284), (11, 6074908), (14, 4773142), (19, 3517052), (22, 3037454), (28, 2386571), (38, 1758526), (44, 1518727), (76, 879263), (77, 867844), (133, 502436), (154, 433922), (209, 319732), (266, 251218), (308, 216961), (361, 185108), (418, 159866), (532, 125609), (601, 111188), (722, 92554), (836, 79933), (1202, 55594), (1444, 46277), (1463, 45676), (2404, 27797), (2527, 26444), (2926, 22838), (3971, 16828), (4207, 15884), (5054, 13222), (5852, 11419), (6611, 10108), (7942, 8414)]