177580325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 247025856

約数和(自身を除く): 69445531

約数列:

[1, 5, 13, 25, 43, 65, 97, 131, 215, 325, 485, 559, 655, 1075, 1261, 1703, 2425, 2795, 3275, 4171, 5633, 6305, 8515, 12707, 13975, 20855, 28165, 31525, 42575, 54223, 63535, 73229, 104275, 140825, 165191, 271115, 317675, 366145, 546401, 825955, 1355575, 1830725, 2732005, 4129775, 7103213, 13660025, 35516065, 177580325]

約数ペア:

[(1, 177580325), (5, 35516065), (13, 13660025), (25, 7103213), (43, 4129775), (65, 2732005), (97, 1830725), (131, 1355575), (215, 825955), (325, 546401), (485, 366145), (559, 317675), (655, 271115), (1075, 165191), (1261, 140825), (1703, 104275), (2425, 73229), (2795, 63535), (3275, 54223), (4171, 42575), (5633, 31525), (6305, 28165), (8515, 20855), (12707, 13975)]