1217346625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2741}}^1$

素因数の和:2803

約数の個数: 64

約数和(自身を含む): 1847888640

約数和(自身を除く): 630542015

約数列:

[1, 5, 11, 17, 19, 25, 55, 85, 95, 125, 187, 209, 275, 323, 425, 475, 935, 1045, 1375, 1615, 2125, 2375, 2741, 3553, 4675, 5225, 8075, 13705, 17765, 23375, 26125, 30151, 40375, 46597, 52079, 68525, 88825, 150755, 232985, 260395, 342625, 444125, 512567, 572869, 753775, 885343, 1164925, 1301975, 2562835, 2864345, 3768875, 4426715, 5824625, 6509875, 9738773, 12814175, 14321725, 22133575, 48693865, 64070875, 71608625, 110667875, 243469325, 1217346625]

約数ペア:

[(1, 1217346625), (5, 243469325), (11, 110667875), (17, 71608625), (19, 64070875), (25, 48693865), (55, 22133575), (85, 14321725), (95, 12814175), (125, 9738773), (187, 6509875), (209, 5824625), (275, 4426715), (323, 3768875), (425, 2864345), (475, 2562835), (935, 1301975), (1045, 1164925), (1375, 885343), (1615, 753775), (2125, 572869), (2375, 512567), (2741, 444125), (3553, 342625), (4675, 260395), (5225, 232985), (8075, 150755), (13705, 88825), (17765, 68525), (23375, 52079), (26125, 46597), (30151, 40375)]