261007916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1\times {\mathrm{463}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 508013184

約数和(自身を除く): 247005268

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 293, 463, 481, 586, 926, 962, 1172, 1852, 1924, 3809, 6019, 7618, 10841, 12038, 15236, 17131, 21682, 24076, 34262, 43364, 68524, 135659, 140933, 222703, 271318, 281866, 445406, 542636, 563732, 890812, 1763567, 3527134, 5019383, 7054268, 10038766, 20077532, 65251979, 130503958, 261007916]

約数ペア:

[(1, 261007916), (2, 130503958), (4, 65251979), (13, 20077532), (26, 10038766), (37, 7054268), (52, 5019383), (74, 3527134), (148, 1763567), (293, 890812), (463, 563732), (481, 542636), (586, 445406), (926, 281866), (962, 271318), (1172, 222703), (1852, 140933), (1924, 135659), (3809, 68524), (6019, 43364), (7618, 34262), (10841, 24076), (12038, 21682), (15236, 17131)]