259401604

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{2333}}^1$

素因数の和:2393

約数の個数: 72

約数和(自身を含む): 597578688

約数和(自身を除く): 338177084

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 361, 418, 532, 722, 836, 1444, 1463, 2333, 2527, 2926, 3971, 4666, 5054, 5852, 7942, 9332, 10108, 15884, 16331, 25663, 27797, 32662, 44327, 51326, 55594, 65324, 88654, 102652, 111188, 177308, 179641, 310289, 359282, 487597, 620578, 718564, 842213, 975194, 1241156, 1684426, 1950388, 3368852, 3413179, 5895491, 6826358, 9264343, 11790982, 13652716, 18528686, 23581964, 37057372, 64850401, 129700802, 259401604]

約数ペア:

[(1, 259401604), (2, 129700802), (4, 64850401), (7, 37057372), (11, 23581964), (14, 18528686), (19, 13652716), (22, 11790982), (28, 9264343), (38, 6826358), (44, 5895491), (76, 3413179), (77, 3368852), (133, 1950388), (154, 1684426), (209, 1241156), (266, 975194), (308, 842213), (361, 718564), (418, 620578), (532, 487597), (722, 359282), (836, 310289), (1444, 179641), (1463, 177308), (2333, 111188), (2527, 102652), (2926, 88654), (3971, 65324), (4666, 55594), (5054, 51326), (5852, 44327), (7942, 32662), (9332, 27797), (10108, 25663), (15884, 16331)]