686373532

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^2\times {\mathrm{127}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 1364711936

約数和(自身を除く): 678338404

約数列:

[1, 2, 4, 13, 26, 37, 52, 53, 74, 106, 127, 148, 212, 254, 481, 508, 689, 962, 1378, 1651, 1924, 1961, 2756, 2809, 3302, 3922, 4699, 5618, 6604, 6731, 7844, 9398, 11236, 13462, 18796, 25493, 26924, 36517, 50986, 61087, 73034, 87503, 101972, 103933, 122174, 146068, 175006, 207866, 244348, 249047, 350012, 356743, 415732, 498094, 713486, 996188, 1351129, 1426972, 2702258, 3237611, 4637659, 5404516, 6475222, 9275318, 12950444, 13199491, 18550636, 26398982, 52797964, 171593383, 343186766, 686373532]

約数ペア:

[(1, 686373532), (2, 343186766), (4, 171593383), (13, 52797964), (26, 26398982), (37, 18550636), (52, 13199491), (53, 12950444), (74, 9275318), (106, 6475222), (127, 5404516), (148, 4637659), (212, 3237611), (254, 2702258), (481, 1426972), (508, 1351129), (689, 996188), (962, 713486), (1378, 498094), (1651, 415732), (1924, 356743), (1961, 350012), (2756, 249047), (2809, 244348), (3302, 207866), (3922, 175006), (4699, 146068), (5618, 122174), (6604, 103933), (6731, 101972), (7844, 87503), (9398, 73034), (11236, 61087), (13462, 50986), (18796, 36517), (25493, 26924)]