681701075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 942796800

約数和(自身を除く): 261095725

約数列:

[1, 5, 11, 25, 55, 127, 131, 149, 275, 635, 655, 745, 1397, 1441, 1639, 3175, 3275, 3725, 6985, 7205, 8195, 16637, 18923, 19519, 34925, 36025, 40975, 83185, 94615, 97595, 183007, 208153, 214709, 415925, 473075, 487975, 915035, 1040765, 1073545, 2478913, 4575175, 5203825, 5367725, 12394565, 27268043, 61972825, 136340215, 681701075]

約数ペア:

[(1, 681701075), (5, 136340215), (11, 61972825), (25, 27268043), (55, 12394565), (127, 5367725), (131, 5203825), (149, 4575175), (275, 2478913), (635, 1073545), (655, 1040765), (745, 915035), (1397, 487975), (1441, 473075), (1639, 415925), (3175, 214709), (3275, 208153), (3725, 183007), (6985, 97595), (7205, 94615), (8195, 83185), (16637, 40975), (18923, 36025), (19519, 34925)]