66465550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1$

素因数の和:493

約数の個数: 48

約数和(自身を含む): 128956032

約数和(自身を除く): 62490482

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 137, 155, 274, 310, 313, 626, 685, 775, 1370, 1550, 1565, 3130, 3425, 4247, 6850, 7825, 8494, 9703, 15650, 19406, 21235, 42470, 42881, 48515, 85762, 97030, 106175, 212350, 214405, 242575, 428810, 485150, 1072025, 1329311, 2144050, 2658622, 6646555, 13293110, 33232775, 66465550]

約数ペア:

[(1, 66465550), (2, 33232775), (5, 13293110), (10, 6646555), (25, 2658622), (31, 2144050), (50, 1329311), (62, 1072025), (137, 485150), (155, 428810), (274, 242575), (310, 214405), (313, 212350), (626, 106175), (685, 97030), (775, 85762), (1370, 48515), (1550, 42881), (1565, 42470), (3130, 21235), (3425, 19406), (4247, 15650), (6850, 9703), (7825, 8494)]