28384972

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{587}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 62431488

約数和(自身を除く): 34046516

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 157, 308, 314, 587, 628, 1099, 1174, 1727, 2198, 2348, 3454, 4109, 4396, 6457, 6908, 8218, 12089, 12914, 16436, 24178, 25828, 45199, 48356, 90398, 92159, 180796, 184318, 368636, 645113, 1013749, 1290226, 2027498, 2580452, 4054996, 7096243, 14192486, 28384972]

約数ペア:

[(1, 28384972), (2, 14192486), (4, 7096243), (7, 4054996), (11, 2580452), (14, 2027498), (22, 1290226), (28, 1013749), (44, 645113), (77, 368636), (154, 184318), (157, 180796), (308, 92159), (314, 90398), (587, 48356), (628, 45199), (1099, 25828), (1174, 24178), (1727, 16436), (2198, 12914), (2348, 12089), (3454, 8218), (4109, 6908), (4396, 6457)]