131960248

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 290900160

約数和(自身を除く): 158939912

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 173, 212, 257, 346, 371, 424, 514, 692, 742, 1028, 1211, 1384, 1484, 1799, 2056, 2422, 2968, 3598, 4844, 7196, 9169, 9688, 13621, 14392, 18338, 27242, 36676, 44461, 54484, 64183, 73352, 88922, 95347, 108968, 128366, 177844, 190694, 256732, 311227, 355688, 381388, 513464, 622454, 762776, 1244908, 2356433, 2489816, 4712866, 9425732, 16495031, 18851464, 32990062, 65980124, 131960248]

約数ペア:

[(1, 131960248), (2, 65980124), (4, 32990062), (7, 18851464), (8, 16495031), (14, 9425732), (28, 4712866), (53, 2489816), (56, 2356433), (106, 1244908), (173, 762776), (212, 622454), (257, 513464), (346, 381388), (371, 355688), (424, 311227), (514, 256732), (692, 190694), (742, 177844), (1028, 128366), (1211, 108968), (1384, 95347), (1484, 88922), (1799, 73352), (2056, 64183), (2422, 54484), (2968, 44461), (3598, 36676), (4844, 27242), (7196, 18338), (9169, 14392), (9688, 13621)]