71504810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 143990784

約数和(自身を除く): 72485974

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 71, 122, 127, 130, 142, 254, 305, 355, 610, 635, 710, 793, 923, 1270, 1586, 1651, 1846, 3302, 3965, 4331, 4615, 7747, 7930, 8255, 8662, 9017, 9230, 15494, 16510, 18034, 21655, 38735, 43310, 45085, 56303, 77470, 90170, 100711, 112606, 117221, 201422, 234442, 281515, 503555, 550037, 563030, 586105, 1007110, 1100074, 1172210, 2750185, 5500370, 7150481, 14300962, 35752405, 71504810]

約数ペア:

[(1, 71504810), (2, 35752405), (5, 14300962), (10, 7150481), (13, 5500370), (26, 2750185), (61, 1172210), (65, 1100074), (71, 1007110), (122, 586105), (127, 563030), (130, 550037), (142, 503555), (254, 281515), (305, 234442), (355, 201422), (610, 117221), (635, 112606), (710, 100711), (793, 90170), (923, 77470), (1270, 56303), (1586, 45085), (1651, 43310), (1846, 38735), (3302, 21655), (3965, 18034), (4331, 16510), (4615, 15494), (7747, 9230), (7930, 9017), (8255, 8662)]