215589712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{347}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 471219840

約数和(自身を除く): 255630128

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 103, 104, 116, 206, 208, 232, 347, 377, 412, 464, 694, 754, 824, 1339, 1388, 1508, 1648, 2678, 2776, 2987, 3016, 4511, 5356, 5552, 5974, 6032, 9022, 10063, 10712, 11948, 18044, 20126, 21424, 23896, 35741, 36088, 38831, 40252, 47792, 71482, 72176, 77662, 80504, 130819, 142964, 155324, 161008, 261638, 285928, 310648, 464633, 523276, 571856, 621296, 929266, 1036489, 1046552, 1858532, 2072978, 2093104, 3717064, 4145956, 7434128, 8291912, 13474357, 16583824, 26948714, 53897428, 107794856, 215589712]

約数ペア:

[(1, 215589712), (2, 107794856), (4, 53897428), (8, 26948714), (13, 16583824), (16, 13474357), (26, 8291912), (29, 7434128), (52, 4145956), (58, 3717064), (103, 2093104), (104, 2072978), (116, 1858532), (206, 1046552), (208, 1036489), (232, 929266), (347, 621296), (377, 571856), (412, 523276), (464, 464633), (694, 310648), (754, 285928), (824, 261638), (1339, 161008), (1388, 155324), (1508, 142964), (1648, 130819), (2678, 80504), (2776, 77662), (2987, 72176), (3016, 71482), (4511, 47792), (5356, 40252), (5552, 38831), (5974, 36088), (6032, 35741), (9022, 23896), (10063, 21424), (10712, 20126), (11948, 18044)]