228889479

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 401587200

約数和(自身を除く): 172697721

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 149, 221, 273, 331, 357, 447, 663, 993, 1043, 1547, 1937, 2317, 2533, 3129, 4303, 4641, 5627, 5811, 6951, 7599, 12909, 13559, 16881, 17731, 30121, 32929, 39389, 40677, 49319, 53193, 73151, 90363, 98787, 118167, 147957, 219453, 230503, 345233, 512057, 641147, 691509, 838423, 1035699, 1536171, 1923441, 2515269, 4488029, 5868961, 10899499, 13464087, 17606883, 32698497, 76296493, 228889479]

約数ペア:

[(1, 228889479), (3, 76296493), (7, 32698497), (13, 17606883), (17, 13464087), (21, 10899499), (39, 5868961), (51, 4488029), (91, 2515269), (119, 1923441), (149, 1536171), (221, 1035699), (273, 838423), (331, 691509), (357, 641147), (447, 512057), (663, 345233), (993, 230503), (1043, 219453), (1547, 147957), (1937, 118167), (2317, 98787), (2533, 90363), (3129, 73151), (4303, 53193), (4641, 49319), (5627, 40677), (5811, 39389), (6951, 32929), (7599, 30121), (12909, 17731), (13559, 16881)]