81028792

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1$

素因数の和:704

約数の個数: 64

約数和(自身を含む): 173295360

約数和(自身を除く): 92266568

約数列:

[1, 2, 4, 8, 13, 26, 31, 41, 52, 62, 82, 104, 124, 164, 248, 328, 403, 533, 613, 806, 1066, 1226, 1271, 1612, 2132, 2452, 2542, 3224, 4264, 4904, 5084, 7969, 10168, 15938, 16523, 19003, 25133, 31876, 33046, 38006, 50266, 63752, 66092, 76012, 100532, 132184, 152024, 201064, 247039, 326729, 494078, 653458, 779123, 988156, 1306916, 1558246, 1976312, 2613832, 3116492, 6232984, 10128599, 20257198, 40514396, 81028792]

約数ペア:

[(1, 81028792), (2, 40514396), (4, 20257198), (8, 10128599), (13, 6232984), (26, 3116492), (31, 2613832), (41, 1976312), (52, 1558246), (62, 1306916), (82, 988156), (104, 779123), (124, 653458), (164, 494078), (248, 326729), (328, 247039), (403, 201064), (533, 152024), (613, 132184), (806, 100532), (1066, 76012), (1226, 66092), (1271, 63752), (1612, 50266), (2132, 38006), (2452, 33046), (2542, 31876), (3224, 25133), (4264, 19003), (4904, 16523), (5084, 15938), (7969, 10168)]