641197256

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{5333}}^1$

素因数の和:5478

約数の個数: 64

約数和(自身を含む): 1459382400

約数和(自身を除く): 818185144

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 113, 133, 152, 226, 266, 452, 532, 791, 904, 1064, 1582, 2147, 3164, 4294, 5333, 6328, 8588, 10666, 15029, 17176, 21332, 30058, 37331, 42664, 60116, 74662, 101327, 120232, 149324, 202654, 298648, 405308, 602629, 709289, 810616, 1205258, 1418578, 2410516, 2837156, 4218403, 4821032, 5674312, 8436806, 11449951, 16873612, 22899902, 33747224, 45799804, 80149657, 91599608, 160299314, 320598628, 641197256]

約数ペア:

[(1, 641197256), (2, 320598628), (4, 160299314), (7, 91599608), (8, 80149657), (14, 45799804), (19, 33747224), (28, 22899902), (38, 16873612), (56, 11449951), (76, 8436806), (113, 5674312), (133, 4821032), (152, 4218403), (226, 2837156), (266, 2410516), (452, 1418578), (532, 1205258), (791, 810616), (904, 709289), (1064, 602629), (1582, 405308), (2147, 298648), (3164, 202654), (4294, 149324), (5333, 120232), (6328, 101327), (8588, 74662), (10666, 60116), (15029, 42664), (17176, 37331), (21332, 30058)]