668840874

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:260

約数の個数: 128

約数和(自身を含む): 1567641600

約数和(自身を除く): 898800726

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 59, 69, 71, 78, 89, 118, 138, 142, 177, 178, 213, 267, 299, 354, 426, 534, 598, 767, 897, 923, 1157, 1357, 1534, 1633, 1794, 1846, 2047, 2301, 2314, 2714, 2769, 3266, 3471, 4071, 4094, 4189, 4602, 4899, 5251, 5538, 6141, 6319, 6942, 8142, 8378, 9798, 10502, 12282, 12567, 12638, 15753, 17641, 18957, 21229, 25134, 26611, 31506, 35282, 37914, 42458, 52923, 53222, 54457, 63687, 68263, 79833, 82147, 96347, 105846, 108914, 120773, 127374, 136526, 145337, 159666, 163371, 164294, 192694, 204789, 241546, 246441, 289041, 290674, 326742, 362319, 372821, 409578, 436011, 492882, 578082, 724638, 745642, 872022, 1118463, 1252511, 1570049, 1889381, 2236926, 2505022, 3140098, 3757533, 3778762, 4710147, 4846673, 5668143, 7515066, 8574883, 9420294, 9693346, 11336286, 14540019, 17149766, 25724649, 29080038, 51449298, 111473479, 222946958, 334420437, 668840874]

約数ペア:

[(1, 668840874), (2, 334420437), (3, 222946958), (6, 111473479), (13, 51449298), (23, 29080038), (26, 25724649), (39, 17149766), (46, 14540019), (59, 11336286), (69, 9693346), (71, 9420294), (78, 8574883), (89, 7515066), (118, 5668143), (138, 4846673), (142, 4710147), (177, 3778762), (178, 3757533), (213, 3140098), (267, 2505022), (299, 2236926), (354, 1889381), (426, 1570049), (534, 1252511), (598, 1118463), (767, 872022), (897, 745642), (923, 724638), (1157, 578082), (1357, 492882), (1534, 436011), (1633, 409578), (1794, 372821), (1846, 362319), (2047, 326742), (2301, 290674), (2314, 289041), (2714, 246441), (2769, 241546), (3266, 204789), (3471, 192694), (4071, 164294), (4094, 163371), (4189, 159666), (4602, 145337), (4899, 136526), (5251, 127374), (5538, 120773), (6141, 108914), (6319, 105846), (6942, 96347), (8142, 82147), (8378, 79833), (9798, 68263), (10502, 63687), (12282, 54457), (12567, 53222), (12638, 52923), (15753, 42458), (17641, 37914), (18957, 35282), (21229, 31506), (25134, 26611)]