51577552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:492

約数の個数: 80

約数和(自身を含む): 117214720

約数和(自身を除く): 65637168

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 403, 421, 494, 496, 589, 806, 842, 988, 1178, 1612, 1684, 1976, 2356, 3224, 3368, 3952, 4712, 5473, 6448, 6736, 7657, 7999, 9424, 10946, 13051, 15314, 15998, 21892, 26102, 30628, 31996, 43784, 52204, 61256, 63992, 87568, 103987, 104408, 122512, 127984, 169663, 207974, 208816, 247969, 339326, 415948, 495938, 678652, 831896, 991876, 1357304, 1663792, 1983752, 2714608, 3223597, 3967504, 6447194, 12894388, 25788776, 51577552]

約数ペア:

[(1, 51577552), (2, 25788776), (4, 12894388), (8, 6447194), (13, 3967504), (16, 3223597), (19, 2714608), (26, 1983752), (31, 1663792), (38, 1357304), (52, 991876), (62, 831896), (76, 678652), (104, 495938), (124, 415948), (152, 339326), (208, 247969), (247, 208816), (248, 207974), (304, 169663), (403, 127984), (421, 122512), (494, 104408), (496, 103987), (589, 87568), (806, 63992), (842, 61256), (988, 52204), (1178, 43784), (1612, 31996), (1684, 30628), (1976, 26102), (2356, 21892), (3224, 15998), (3368, 15314), (3952, 13051), (4712, 10946), (5473, 9424), (6448, 7999), (6736, 7657)]