648032990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{3221}}^1$

素因数の和:3329

約数の個数: 64

約数和(自身を含む): 1336227840

約数和(自身を除く): 688194850

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 59, 62, 110, 118, 155, 295, 310, 341, 590, 649, 682, 1298, 1705, 1829, 3221, 3245, 3410, 3658, 6442, 6490, 9145, 16105, 18290, 20119, 32210, 35431, 40238, 70862, 99851, 100595, 177155, 190039, 199702, 201190, 354310, 380078, 499255, 950195, 998510, 1098361, 1900390, 2090429, 2196722, 4180858, 5491805, 5891209, 10452145, 10983610, 11782418, 20904290, 29456045, 58912090, 64803299, 129606598, 324016495, 648032990]

約数ペア:

[(1, 648032990), (2, 324016495), (5, 129606598), (10, 64803299), (11, 58912090), (22, 29456045), (31, 20904290), (55, 11782418), (59, 10983610), (62, 10452145), (110, 5891209), (118, 5491805), (155, 4180858), (295, 2196722), (310, 2090429), (341, 1900390), (590, 1098361), (649, 998510), (682, 950195), (1298, 499255), (1705, 380078), (1829, 354310), (3221, 201190), (3245, 199702), (3410, 190039), (3658, 177155), (6442, 100595), (6490, 99851), (9145, 70862), (16105, 40238), (18290, 35431), (20119, 32210)]